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-rw-r--r--compiler/coreSyn/CoreLint.hs7
-rw-r--r--compiler/deSugar/Coverage.hs2
-rw-r--r--compiler/ghci/Debugger.hs2
-rw-r--r--compiler/ghci/Linker.hs7
-rw-r--r--compiler/iface/BinIface.hs4
-rw-r--r--compiler/iface/LoadIface.hs3
-rw-r--r--compiler/main/CodeOutput.hs2
-rw-r--r--compiler/main/DriverPipeline.hs4
-rw-r--r--compiler/main/DynFlags.hs11
-rw-r--r--compiler/main/ErrUtils.hs46
-rw-r--r--compiler/main/ErrUtils.hs-boot1
-rw-r--r--compiler/main/GhcMake.hs12
-rw-r--r--compiler/main/SysTools.hs6
-rw-r--r--compiler/main/TidyPgm.hs3
-rw-r--r--compiler/rename/RnBinds.hs4
-rw-r--r--compiler/rename/RnEnv.hs20
-rw-r--r--compiler/rename/RnNames.hs80
-rw-r--r--compiler/rename/RnSource.hs42
-rw-r--r--compiler/rename/RnTypes.hs2
-rw-r--r--compiler/simplCore/CoreMonad.hs2
-rw-r--r--compiler/simplCore/SimplCore.hs3
-rw-r--r--compiler/simplStg/SimplStg.hs3
-rw-r--r--compiler/typecheck/Inst.hs4
-rw-r--r--compiler/typecheck/TcAnnotations.hs2
-rw-r--r--compiler/typecheck/TcBinds.hs24
-rw-r--r--compiler/typecheck/TcClassDcl.hs10
-rw-r--r--compiler/typecheck/TcDeriv.hs6
-rw-r--r--compiler/typecheck/TcErrors.hs16
-rw-r--r--compiler/typecheck/TcExpr.hs3
-rw-r--r--compiler/typecheck/TcForeign.hs6
-rw-r--r--compiler/typecheck/TcInstDcls.hs4
-rw-r--r--compiler/typecheck/TcMatches.hs3
-rw-r--r--compiler/typecheck/TcPat.hs2
-rw-r--r--compiler/typecheck/TcRnDriver.hs7
-rw-r--r--compiler/typecheck/TcRnMonad.hs92
-rw-r--r--compiler/typecheck/TcSMonad.hs5
-rw-r--r--compiler/typecheck/TcSimplify.hs2
-rw-r--r--compiler/typecheck/TcSplice.hs4
-rw-r--r--compiler/typecheck/TcTyClsDecls.hs4
-rw-r--r--compiler/typecheck/TcValidity.hs5
-rw-r--r--ghc/GHCi/UI.hs4
-rw-r--r--testsuite/tests/deSugar/should_compile/ds041.stderr10
-rw-r--r--testsuite/tests/deSugar/should_compile/ds053.stderr3
-rw-r--r--testsuite/tests/dependent/should_compile/T11241.stderr2
-rw-r--r--testsuite/tests/deriving/should_compile/T4966.stderr10
-rw-r--r--testsuite/tests/deriving/should_compile/deriving-1935.stderr24
-rw-r--r--testsuite/tests/deriving/should_compile/drv003.stderr16
-rw-r--r--testsuite/tests/deriving/should_fail/drvfail006.stderr14
-rw-r--r--testsuite/tests/deriving/should_fail/drvfail008.stderr14
-rw-r--r--testsuite/tests/driver/werror.stderr12
-rw-r--r--testsuite/tests/ffi/should_compile/T1357.stderr4
-rw-r--r--testsuite/tests/ghc-api/apirecomp001/apirecomp001.stderr12
-rw-r--r--testsuite/tests/ghci/prog011/prog011.stderr7
-rw-r--r--testsuite/tests/ghci/prog011/prog011.stdout3
-rw-r--r--testsuite/tests/ghci/scripts/T4316.stdout2
-rw-r--r--testsuite/tests/ghci/scripts/T5820.stderr8
-rw-r--r--testsuite/tests/ghci/scripts/T8353.stderr6
-rw-r--r--testsuite/tests/ghci/scripts/ghci019.stderr2
-rw-r--r--testsuite/tests/haddock/haddock_examples/haddock.Test.stderr12
-rw-r--r--testsuite/tests/indexed-types/should_compile/Class3.stderr8
-rw-r--r--testsuite/tests/indexed-types/should_compile/Simple2.stderr48
-rw-r--r--testsuite/tests/indexed-types/should_compile/T3023.stderr2
-rw-r--r--testsuite/tests/indexed-types/should_compile/T8889.stderr2
-rw-r--r--testsuite/tests/indexed-types/should_compile/UnusedTyVarWarnings.stderr13
-rw-r--r--testsuite/tests/indexed-types/should_compile/UnusedTyVarWarningsNamedWCs.stderr10
-rw-r--r--testsuite/tests/indexed-types/should_fail/T7862.stderr12
-rw-r--r--testsuite/tests/module/mod128.stderr3
-rw-r--r--testsuite/tests/module/mod14.stderr2
-rw-r--r--testsuite/tests/module/mod176.stderr2
-rw-r--r--testsuite/tests/module/mod177.stderr2
-rw-r--r--testsuite/tests/module/mod5.stderr2
-rw-r--r--testsuite/tests/module/mod89.stderr4
-rw-r--r--testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.stderr2
-rw-r--r--testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail05.stderr2
-rw-r--r--testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail06.stderr14
-rw-r--r--testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail11.stderr4
-rw-r--r--testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail12.stderr6
-rw-r--r--testsuite/tests/parser/should_compile/T2245.stderr6
-rw-r--r--testsuite/tests/parser/should_compile/T3303.stderr4
-rw-r--r--testsuite/tests/parser/should_compile/read014.stderr10
-rw-r--r--testsuite/tests/partial-sigs/should_compile/ExprSigLocal.stderr4
-rw-r--r--testsuite/tests/partial-sigs/should_compile/SplicesUsed.stderr22
-rw-r--r--testsuite/tests/partial-sigs/should_compile/T10403.stderr6
-rw-r--r--testsuite/tests/partial-sigs/should_compile/T10438.stderr2
-rw-r--r--testsuite/tests/partial-sigs/should_compile/T10463.stderr14
-rw-r--r--testsuite/tests/partial-sigs/should_compile/T10519.stderr10
-rw-r--r--testsuite/tests/partial-sigs/should_compile/T11016.stderr4
-rw-r--r--testsuite/tests/partial-sigs/should_compile/T11192.stderr4
-rw-r--r--testsuite/tests/partial-sigs/should_compile/TypedSplice.stderr28
-rw-r--r--testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr14
-rw-r--r--testsuite/tests/partial-sigs/should_fail/Defaulting1MROff.stderr2
-rw-r--r--testsuite/tests/partial-sigs/should_fail/T11122.stderr2
-rw-r--r--testsuite/tests/patsyn/should_compile/T11283.stderr2
-rw-r--r--testsuite/tests/patsyn/should_fail/T11053.stderr10
-rw-r--r--testsuite/tests/rename/should_compile/T1789.stderr8
-rw-r--r--testsuite/tests/rename/should_compile/T17a.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T17b.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T17c.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T17d.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T17e.stderr8
-rw-r--r--testsuite/tests/rename/should_compile/T1972.stderr25
-rw-r--r--testsuite/tests/rename/should_compile/T3262.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T3371.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/T3449.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/T4489.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T5331.stderr24
-rw-r--r--testsuite/tests/rename/should_compile/T5334.stderr22
-rw-r--r--testsuite/tests/rename/should_compile/T5867.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/T7085.stderr2
-rw-r--r--testsuite/tests/rename/should_compile/T7145b.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/T7167.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/T9778.stderr7
-rw-r--r--testsuite/tests/rename/should_compile/mc10.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/rn037.stderr2
-rw-r--r--testsuite/tests/rename/should_compile/rn039.stderr2
-rw-r--r--testsuite/tests/rename/should_compile/rn040.stderr6
-rw-r--r--testsuite/tests/rename/should_compile/rn041.stderr9
-rw-r--r--testsuite/tests/rename/should_compile/rn046.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/rn047.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/rn050.stderr4
-rw-r--r--testsuite/tests/rename/should_compile/rn055.stderr3
-rw-r--r--testsuite/tests/rename/should_compile/rn063.stderr6
-rw-r--r--testsuite/tests/rename/should_compile/rn064.stderr2
-rw-r--r--testsuite/tests/rename/should_compile/rn066.stderr4
-rw-r--r--testsuite/tests/rename/should_fail/T2723.stderr2
-rw-r--r--testsuite/tests/rename/should_fail/T5211.stderr2
-rw-r--r--testsuite/tests/rename/should_fail/T5281.stderr2
-rw-r--r--testsuite/tests/rename/should_fail/T5892a.stderr14
-rw-r--r--testsuite/tests/rename/should_fail/T7454.stderr2
-rw-r--r--testsuite/tests/rename/should_fail/T8149.stderr2
-rw-r--r--testsuite/tests/semigroup/SemigroupWarnings.stderr4
-rw-r--r--testsuite/tests/simplCore/should_compile/simpl020.stderr10
-rw-r--r--testsuite/tests/typecheck/prog001/typecheck.prog001.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/HasKey.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/T10935.stderr10
-rw-r--r--testsuite/tests/typecheck/should_compile/T10971a.stderr16
-rw-r--r--testsuite/tests/typecheck/should_compile/T2497.stderr3
-rw-r--r--testsuite/tests/typecheck/should_compile/T3696.stderr6
-rw-r--r--testsuite/tests/typecheck/should_compile/T4912.stderr4
-rw-r--r--testsuite/tests/typecheck/should_compile/T7903.stderr16
-rw-r--r--testsuite/tests/typecheck/should_compile/T9497a.stderr14
-rw-r--r--testsuite/tests/typecheck/should_compile/holes.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/holes2.stderr2
-rw-r--r--testsuite/tests/typecheck/should_compile/tc078.stderr16
-rw-r--r--testsuite/tests/typecheck/should_compile/tc115.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/tc116.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/tc125.stderr41
-rw-r--r--testsuite/tests/typecheck/should_compile/tc126.stderr16
-rw-r--r--testsuite/tests/typecheck/should_compile/tc161.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/tc175.stderr8
-rw-r--r--testsuite/tests/typecheck/should_compile/tc243.stderr2
-rw-r--r--testsuite/tests/typecheck/should_compile/tc254.stderr6
-rw-r--r--testsuite/tests/typecheck/should_fail/T5051.stderr10
-rw-r--r--testsuite/tests/typecheck/should_fail/tcfail204.stderr2
-rw-r--r--testsuite/tests/warnings/minimal/WarnMinimal.stderr106
-rw-r--r--testsuite/tests/warnings/should_compile/DeprU.stderr4
-rw-r--r--testsuite/tests/warnings/should_compile/PluralS.stderr4
-rw-r--r--testsuite/tests/warnings/should_compile/T10890/T10890_2.stderr2
-rw-r--r--testsuite/tests/warnings/should_compile/T11077.stderr2
-rw-r--r--testsuite/tests/warnings/should_compile/T11128.stderr8
-rw-r--r--testsuite/tests/warnings/should_compile/T11128b.stderr4
-rw-r--r--testsuite/tests/warnings/should_compile/T2526.stderr2
-rw-r--r--testsuite/tests/warnings/should_compile/T9178.stderr2
-rw-r--r--testsuite/tests/wcompat-warnings/WCompatWarningsOn.stderr6
164 files changed, 817 insertions, 677 deletions
diff --git a/compiler/coreSyn/CoreLint.hs b/compiler/coreSyn/CoreLint.hs
index 6dbcbe4ce9..c046e74089 100644
--- a/compiler/coreSyn/CoreLint.hs
+++ b/compiler/coreSyn/CoreLint.hs
@@ -284,7 +284,7 @@ displayLintResults :: DynFlags -> CoreToDo
-> IO ()
displayLintResults dflags pass warns errs binds
| not (isEmptyBag errs)
- = do { log_action dflags dflags Err.SevDump noSrcSpan defaultDumpStyle
+ = do { log_action dflags dflags Nothing Err.SevDump noSrcSpan defaultDumpStyle
(vcat [ lint_banner "errors" (ppr pass), Err.pprMessageBag errs
, text "*** Offending Program ***"
, pprCoreBindings binds
@@ -294,7 +294,7 @@ displayLintResults dflags pass warns errs binds
| not (isEmptyBag warns)
, not opt_NoDebugOutput
, showLintWarnings pass
- = log_action dflags dflags Err.SevDump noSrcSpan defaultDumpStyle
+ = log_action dflags dflags Nothing Err.SevDump noSrcSpan defaultDumpStyle
(lint_banner "warnings" (ppr pass) $$ Err.pprMessageBag warns)
| otherwise = return ()
@@ -324,7 +324,8 @@ lintInteractiveExpr what hsc_env expr
dflags = hsc_dflags hsc_env
display_lint_err err
- = do { log_action dflags dflags Err.SevDump noSrcSpan defaultDumpStyle
+ = do { log_action dflags dflags Nothing Err.SevDump
+ noSrcSpan defaultDumpStyle
(vcat [ lint_banner "errors" (text what)
, err
, text "*** Offending Program ***"
diff --git a/compiler/deSugar/Coverage.hs b/compiler/deSugar/Coverage.hs
index ef21f5c4d4..7acf258236 100644
--- a/compiler/deSugar/Coverage.hs
+++ b/compiler/deSugar/Coverage.hs
@@ -111,7 +111,7 @@ addTicksToBinds hsc_env mod mod_loc exports tyCons binds
modBreaks <- mkModBreaks hsc_env mod tickCount entries
when (dopt Opt_D_dump_ticked dflags) $
- log_action dflags dflags SevDump noSrcSpan defaultDumpStyle
+ log_action dflags dflags Nothing SevDump noSrcSpan defaultDumpStyle
(pprLHsBinds binds1)
return (binds1, HpcInfo tickCount hashNo, Just modBreaks)
diff --git a/compiler/ghci/Debugger.hs b/compiler/ghci/Debugger.hs
index 81aab36ea9..64244729c4 100644
--- a/compiler/ghci/Debugger.hs
+++ b/compiler/ghci/Debugger.hs
@@ -170,7 +170,7 @@ showTerm term = do
-- XXX: this tries to disable logging of errors
-- does this still do what it is intended to do
-- with the changed error handling and logging?
- let noop_log _ _ _ _ _ = return ()
+ let noop_log _ _ _ _ _ _ = return ()
expr = "show " ++ showPpr dflags bname
_ <- GHC.setSessionDynFlags dflags{log_action=noop_log}
fhv <- liftIO $ mkFinalizedHValue hsc_env =<< mkRemoteRef val
diff --git a/compiler/ghci/Linker.hs b/compiler/ghci/Linker.hs
index 2b471ee0ee..a434d242b7 100644
--- a/compiler/ghci/Linker.hs
+++ b/compiler/ghci/Linker.hs
@@ -235,7 +235,7 @@ withExtendedLinkEnv new_env action
showLinkerState :: DynFlags -> IO ()
showLinkerState dflags
= do pls <- readIORef v_PersistentLinkerState >>= readMVar
- log_action dflags dflags SevDump noSrcSpan defaultDumpStyle
+ log_action dflags dflags Nothing SevDump noSrcSpan defaultDumpStyle
(vcat [text "----- Linker state -----",
text "Pkgs:" <+> ppr (pkgs_loaded pls),
text "Objs:" <+> ppr (objs_loaded pls),
@@ -374,7 +374,7 @@ classifyLdInput dflags f
| isObjectFilename platform f = return (Just (Object f))
| isDynLibFilename platform f = return (Just (DLLPath f))
| otherwise = do
- log_action dflags dflags SevInfo noSrcSpan defaultUserStyle
+ log_action dflags dflags Nothing SevInfo noSrcSpan defaultUserStyle
(text ("Warning: ignoring unrecognised input `" ++ f ++ "'"))
return Nothing
where platform = targetPlatform dflags
@@ -1397,7 +1397,8 @@ maybePutStr :: DynFlags -> String -> IO ()
maybePutStr dflags s
= when (verbosity dflags > 1) $
do let act = log_action dflags
- act dflags SevInteractive noSrcSpan defaultUserStyle (text s)
+ act dflags Nothing SevInteractive noSrcSpan defaultUserStyle
+ (text s)
maybePutStrLn :: DynFlags -> String -> IO ()
maybePutStrLn dflags s = maybePutStr dflags (s ++ "\n")
diff --git a/compiler/iface/BinIface.hs b/compiler/iface/BinIface.hs
index c0926fc22e..470fe3a255 100644
--- a/compiler/iface/BinIface.hs
+++ b/compiler/iface/BinIface.hs
@@ -80,7 +80,9 @@ readBinIface_ :: DynFlags -> CheckHiWay -> TraceBinIFaceReading -> FilePath
readBinIface_ dflags checkHiWay traceBinIFaceReading hi_path ncu = do
let printer :: SDoc -> IO ()
printer = case traceBinIFaceReading of
- TraceBinIFaceReading -> \sd -> log_action dflags dflags SevOutput noSrcSpan defaultDumpStyle sd
+ TraceBinIFaceReading -> \sd ->
+ log_action dflags dflags Nothing SevOutput
+ noSrcSpan defaultDumpStyle sd
QuietBinIFaceReading -> \_ -> return ()
wantedGot :: Outputable a => String -> a -> a -> IO ()
wantedGot what wanted got =
diff --git a/compiler/iface/LoadIface.hs b/compiler/iface/LoadIface.hs
index c044136b36..daf9f2ecbb 100644
--- a/compiler/iface/LoadIface.hs
+++ b/compiler/iface/LoadIface.hs
@@ -861,7 +861,8 @@ showIface hsc_env filename = do
iface <- initTcRnIf 's' hsc_env () () $
readBinIface IgnoreHiWay TraceBinIFaceReading filename
let dflags = hsc_dflags hsc_env
- log_action dflags dflags SevDump noSrcSpan defaultDumpStyle (pprModIface iface)
+ log_action dflags dflags Nothing SevDump noSrcSpan defaultDumpStyle
+ (pprModIface iface)
pprModIface :: ModIface -> SDoc
-- Show a ModIface
diff --git a/compiler/main/CodeOutput.hs b/compiler/main/CodeOutput.hs
index 00a0801c47..083133c70f 100644
--- a/compiler/main/CodeOutput.hs
+++ b/compiler/main/CodeOutput.hs
@@ -67,7 +67,7 @@ codeOutput dflags this_mod filenm location foreign_stubs pkg_deps cmm_stream
do_lint cmm = do
{ showPass dflags "CmmLint"
; case cmmLint dflags cmm of
- Just err -> do { log_action dflags dflags SevDump noSrcSpan defaultDumpStyle err
+ Just err -> do { log_action dflags dflags Nothing SevDump noSrcSpan defaultDumpStyle err
; ghcExit dflags 1
}
Nothing -> return ()
diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 3de94fd403..bbc190812e 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -1594,7 +1594,7 @@ mkExtraObj dflags extn xs
mkExtraObjToLinkIntoBinary :: DynFlags -> IO FilePath
mkExtraObjToLinkIntoBinary dflags = do
when (gopt Opt_NoHsMain dflags && haveRtsOptsFlags dflags) $ do
- log_action dflags dflags SevInfo noSrcSpan defaultUserStyle
+ log_action dflags dflags Nothing SevInfo noSrcSpan defaultUserStyle
(text "Warning: -rtsopts and -with-rtsopts have no effect with -no-hs-main." $$
text " Call hs_init_ghc() from your main() function to set these options.")
@@ -1969,7 +1969,7 @@ linkDynLibCheck :: DynFlags -> [String] -> [UnitId] -> IO ()
linkDynLibCheck dflags o_files dep_packages
= do
when (haveRtsOptsFlags dflags) $ do
- log_action dflags dflags SevInfo noSrcSpan defaultUserStyle
+ log_action dflags dflags Nothing SevInfo noSrcSpan defaultUserStyle
(text "Warning: -rtsopts and -with-rtsopts have no effect with -shared." $$
text " Call hs_init_ghc() from your main() function to set these options.")
diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 52da3005bf..df95312edc 100644
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -173,7 +173,7 @@ import FastString
import Outputable
import Foreign.C ( CInt(..) )
import System.IO.Unsafe ( unsafeDupablePerformIO )
-import {-# SOURCE #-} ErrUtils ( Severity(..), MsgDoc, mkLocMessage )
+import {-# SOURCE #-} ErrUtils ( Severity(..), MsgDoc, mkLocMessageAnn )
import System.IO.Unsafe ( unsafePerformIO )
import Data.IORef
@@ -1616,13 +1616,13 @@ interpreterDynamic dflags
--------------------------------------------------------------------------
type FatalMessager = String -> IO ()
-type LogAction = DynFlags -> Severity -> SrcSpan -> PprStyle -> MsgDoc -> IO ()
+type LogAction = DynFlags -> Maybe WarningFlag -> Severity -> SrcSpan -> PprStyle -> MsgDoc -> IO ()
defaultFatalMessager :: FatalMessager
defaultFatalMessager = hPutStrLn stderr
defaultLogAction :: LogAction
-defaultLogAction dflags severity srcSpan style msg
+defaultLogAction dflags flag severity srcSpan style msg
= case severity of
SevOutput -> printSDoc msg style
SevDump -> printSDoc (msg $$ blankLine) style
@@ -1630,7 +1630,7 @@ defaultLogAction dflags severity srcSpan style msg
SevInfo -> printErrs msg style
SevFatal -> printErrs msg style
_ -> do hPutChar stderr '\n'
- printErrs (mkLocMessage severity srcSpan msg) style
+ printErrs (mkLocMessageAnn flagMsg severity srcSpan msg) style
-- careful (#2302): printErrs prints in UTF-8,
-- whereas converting to string first and using
-- hPutStr would just emit the low 8 bits of
@@ -1638,6 +1638,9 @@ defaultLogAction dflags severity srcSpan style msg
where printSDoc = defaultLogActionHPrintDoc dflags stdout
printErrs = defaultLogActionHPrintDoc dflags stderr
putStrSDoc = defaultLogActionHPutStrDoc dflags stdout
+ -- Pretty print the warning flag, if any (#10752)
+ flagMsg = (\wf -> '-':'W':flagSpecName wf) <$> (flag >>= \f ->
+ listToMaybe $ filter (\fs -> flagSpecFlag fs == f) wWarningFlags)
defaultLogActionHPrintDoc :: DynFlags -> Handle -> SDoc -> PprStyle -> IO ()
defaultLogActionHPrintDoc dflags h d sty
diff --git a/compiler/main/ErrUtils.hs b/compiler/main/ErrUtils.hs
index eafe4e802f..585cab5f22 100644
--- a/compiler/main/ErrUtils.hs
+++ b/compiler/main/ErrUtils.hs
@@ -23,7 +23,7 @@ module ErrUtils (
pprLocErrMsg, printBagOfErrors,
-- ** Construction
- emptyMessages, mkLocMessage, makeIntoWarning,
+ emptyMessages, mkLocMessage, mkLocMessageAnn, makeIntoWarning,
mkErrMsg, mkPlainErrMsg, mkErrDoc, mkLongErrMsg, mkWarnMsg,
mkPlainWarnMsg,
warnIsErrorMsg, mkLongWarnMsg,
@@ -110,7 +110,8 @@ data ErrMsg = ErrMsg {
errMsgDoc :: ErrDoc,
-- | This has the same text as errDocImportant . errMsgDoc.
errMsgShortString :: String,
- errMsgSeverity :: Severity
+ errMsgSeverity :: Severity,
+ errMsgFlag :: Maybe WarningFlag
}
-- The SrcSpan is used for sorting errors into line-number order
@@ -160,15 +161,18 @@ pprMessageBag :: Bag MsgDoc -> SDoc
pprMessageBag msgs = vcat (punctuate blankLine (bagToList msgs))
mkLocMessage :: Severity -> SrcSpan -> MsgDoc -> MsgDoc
+mkLocMessage = mkLocMessageAnn Nothing
+
+mkLocMessageAnn :: Maybe String -> Severity -> SrcSpan -> MsgDoc -> MsgDoc
-- Always print the location, even if it is unhelpful. Error messages
-- are supposed to be in a standard format, and one without a location
-- would look strange. Better to say explicitly "<no location info>".
-mkLocMessage severity locn msg
+mkLocMessageAnn ann severity locn msg
= sdocWithDynFlags $ \dflags ->
let locn' = if gopt Opt_ErrorSpans dflags
then ppr locn
else ppr (srcSpanStart locn)
- in hang (locn' <> colon <+> sev_info) 4 msg
+ in hang (locn' <> colon <+> sev_info <> opt_ann) 4 msg
where
-- Add prefixes, like Foo.hs:34: warning:
-- <the warning message>
@@ -178,8 +182,13 @@ mkLocMessage severity locn msg
SevFatal -> text "fatal:"
_ -> empty
-makeIntoWarning :: ErrMsg -> ErrMsg
-makeIntoWarning err = err { errMsgSeverity = SevWarning }
+ -- Add optional information
+ opt_ann = text $ maybe "" (\i -> " ["++i++"]") ann
+
+makeIntoWarning :: Maybe WarningFlag -> ErrMsg -> ErrMsg
+makeIntoWarning flag err
+= err { errMsgSeverity = SevWarning
+ , errMsgFlag = flag }
-- -----------------------------------------------------------------------------
-- Collecting up messages for later ordering and printing.
@@ -190,7 +199,8 @@ mk_err_msg dflags sev locn print_unqual doc
, errMsgContext = print_unqual
, errMsgDoc = doc
, errMsgShortString = showSDoc dflags (vcat (errDocImportant doc))
- , errMsgSeverity = sev }
+ , errMsgSeverity = sev
+ , errMsgFlag = Nothing }
mkErrDoc :: DynFlags -> SrcSpan -> PrintUnqualified -> ErrDoc -> ErrMsg
mkErrDoc dflags = mk_err_msg dflags SevError
@@ -226,10 +236,11 @@ errorsFound _dflags (_warns, errs) = not (isEmptyBag errs)
printBagOfErrors :: DynFlags -> Bag ErrMsg -> IO ()
printBagOfErrors dflags bag_of_errors
= sequence_ [ let style = mkErrStyle dflags unqual
- in log_action dflags dflags sev s style (formatErrDoc dflags doc)
+ in log_action dflags dflags flag sev s style (formatErrDoc dflags doc)
| ErrMsg { errMsgSpan = s,
errMsgDoc = doc,
errMsgSeverity = sev,
+ errMsgFlag = flag,
errMsgContext = unqual } <- sortMsgBag (Just dflags)
bag_of_errors ]
@@ -283,7 +294,8 @@ doIfSet_dyn dflags flag action | gopt flag dflags = action
dumpIfSet :: DynFlags -> Bool -> String -> SDoc -> IO ()
dumpIfSet dflags flag hdr doc
| not flag = return ()
- | otherwise = log_action dflags dflags SevDump noSrcSpan defaultDumpStyle (mkDumpDoc hdr doc)
+ | otherwise = log_action dflags dflags Nothing SevDump
+ noSrcSpan defaultDumpStyle (mkDumpDoc hdr doc)
-- | a wrapper around 'dumpSDoc'.
-- First check whether the dump flag is set
@@ -359,7 +371,7 @@ dumpSDoc dflags print_unqual flag hdr doc
let (doc', severity)
| null hdr = (doc, SevOutput)
| otherwise = (mkDumpDoc hdr doc, SevDump)
- log_action dflags dflags severity noSrcSpan dump_style doc'
+ log_action dflags dflags Nothing severity noSrcSpan dump_style doc'
-- | Choose where to put a dump file based on DynFlags
@@ -416,18 +428,20 @@ ifVerbose dflags val act
errorMsg :: DynFlags -> MsgDoc -> IO ()
errorMsg dflags msg
- = log_action dflags dflags SevError noSrcSpan (defaultErrStyle dflags) msg
+ = log_action dflags dflags Nothing SevError noSrcSpan
+ (defaultErrStyle dflags) msg
warningMsg :: DynFlags -> MsgDoc -> IO ()
warningMsg dflags msg
- = log_action dflags dflags SevWarning noSrcSpan (defaultErrStyle dflags) msg
+ = log_action dflags dflags Nothing SevWarning noSrcSpan
+ (defaultErrStyle dflags) msg
fatalErrorMsg :: DynFlags -> MsgDoc -> IO ()
fatalErrorMsg dflags msg = fatalErrorMsg' (log_action dflags) dflags msg
fatalErrorMsg' :: LogAction -> DynFlags -> MsgDoc -> IO ()
fatalErrorMsg' la dflags msg =
- la dflags SevFatal noSrcSpan (defaultErrStyle dflags) msg
+ la dflags Nothing SevFatal noSrcSpan (defaultErrStyle dflags) msg
fatalErrorMsg'' :: FatalMessager -> String -> IO ()
fatalErrorMsg'' fm msg = fm msg
@@ -458,11 +472,13 @@ printOutputForUser dflags print_unqual msg
= logOutput dflags (mkUserStyle print_unqual AllTheWay) msg
logInfo :: DynFlags -> PprStyle -> MsgDoc -> IO ()
-logInfo dflags sty msg = log_action dflags dflags SevInfo noSrcSpan sty msg
+logInfo dflags sty msg
+ = log_action dflags dflags Nothing SevInfo noSrcSpan sty msg
logOutput :: DynFlags -> PprStyle -> MsgDoc -> IO ()
-- ^ Like 'logInfo' but with 'SevOutput' rather then 'SevInfo'
-logOutput dflags sty msg = log_action dflags dflags SevOutput noSrcSpan sty msg
+logOutput dflags sty msg
+ = log_action dflags dflags Nothing SevOutput noSrcSpan sty msg
prettyPrintGhcErrors :: ExceptionMonad m => DynFlags -> m a -> m a
prettyPrintGhcErrors dflags
diff --git a/compiler/main/ErrUtils.hs-boot b/compiler/main/ErrUtils.hs-boot
index 31edcc05ee..b991ec4958 100644
--- a/compiler/main/ErrUtils.hs-boot
+++ b/compiler/main/ErrUtils.hs-boot
@@ -16,3 +16,4 @@ data Severity
type MsgDoc = SDoc
mkLocMessage :: Severity -> SrcSpan -> MsgDoc -> MsgDoc
+mkLocMessageAnn :: Maybe String -> Severity -> SrcSpan -> MsgDoc -> MsgDoc
diff --git a/compiler/main/GhcMake.hs b/compiler/main/GhcMake.hs
index 7bbe4be495..3e62d8dea4 100644
--- a/compiler/main/GhcMake.hs
+++ b/compiler/main/GhcMake.hs
@@ -678,7 +678,7 @@ checkStability hpt sccs all_home_mods = foldl checkSCC ([],[]) sccs
-- | Each module is given a unique 'LogQueue' to redirect compilation messages
-- to. A 'Nothing' value contains the result of compilation, and denotes the
-- end of the message queue.
-data LogQueue = LogQueue !(IORef [Maybe (Severity, SrcSpan, PprStyle, MsgDoc)])
+data LogQueue = LogQueue !(IORef [Maybe (Maybe WarningFlag, Severity, SrcSpan, PprStyle, MsgDoc)])
!(MVar ())
-- | The graph of modules to compile and their corresponding result 'MVar' and
@@ -879,7 +879,7 @@ parUpsweep n_jobs old_hpt stable_mods cleanup sccs = do
return (success_flag,ok_results)
where
- writeLogQueue :: LogQueue -> Maybe (Severity,SrcSpan,PprStyle,MsgDoc) -> IO ()
+ writeLogQueue :: LogQueue -> Maybe (Maybe WarningFlag,Severity,SrcSpan,PprStyle,MsgDoc) -> IO ()
writeLogQueue (LogQueue ref sem) msg = do
atomicModifyIORef' ref $ \msgs -> (msg:msgs,())
_ <- tryPutMVar sem ()
@@ -888,8 +888,8 @@ parUpsweep n_jobs old_hpt stable_mods cleanup sccs = do
-- The log_action callback that is used to synchronize messages from a
-- worker thread.
parLogAction :: LogQueue -> LogAction
- parLogAction log_queue _dflags !severity !srcSpan !style !msg = do
- writeLogQueue log_queue (Just (severity,srcSpan,style,msg))
+ parLogAction log_queue _dflags !flag !severity !srcSpan !style !msg = do
+ writeLogQueue log_queue (Just (flag,severity,srcSpan,style,msg))
-- Print each message from the log_queue using the log_action from the
-- session's DynFlags.
@@ -902,8 +902,8 @@ parUpsweep n_jobs old_hpt stable_mods cleanup sccs = do
print_loop [] = read_msgs
print_loop (x:xs) = case x of
- Just (severity,srcSpan,style,msg) -> do
- log_action dflags dflags severity srcSpan style msg
+ Just (flag,severity,srcSpan,style,msg) -> do
+ log_action dflags dflags flag severity srcSpan style msg
print_loop xs
-- Exit the loop once we encounter the end marker.
Nothing -> return ()
diff --git a/compiler/main/SysTools.hs b/compiler/main/SysTools.hs
index c3436edd9e..d7de69ae8d 100644
--- a/compiler/main/SysTools.hs
+++ b/compiler/main/SysTools.hs
@@ -1367,10 +1367,12 @@ builderMainLoop dflags filter_fn pgm real_args mb_env = do
msg <- readChan chan
case msg of
BuildMsg msg -> do
- log_action dflags dflags SevInfo noSrcSpan defaultUserStyle msg
+ log_action dflags dflags Nothing SevInfo noSrcSpan
+ defaultUserStyle msg
loop chan hProcess t p exitcode
BuildError loc msg -> do
- log_action dflags dflags SevError (mkSrcSpan loc loc) defaultUserStyle msg
+ log_action dflags dflags Nothing SevError (mkSrcSpan loc loc)
+ defaultUserStyle msg
loop chan hProcess t p exitcode
EOF ->
loop chan hProcess (t-1) p exitcode
diff --git a/compiler/main/TidyPgm.hs b/compiler/main/TidyPgm.hs
index df31fda16c..072fb840a4 100644
--- a/compiler/main/TidyPgm.hs
+++ b/compiler/main/TidyPgm.hs
@@ -390,7 +390,8 @@ tidyProgram hsc_env (ModGuts { mg_module = mod
-- Print one-line size info
; let cs = coreBindsStats tidy_binds
; when (dopt Opt_D_dump_core_stats dflags)
- (log_action dflags dflags SevDump noSrcSpan defaultDumpStyle
+ (log_action dflags dflags Nothing SevDump noSrcSpan
+ defaultDumpStyle
(text "Tidy size (terms,types,coercions)"
<+> ppr (moduleName mod) <> colon
<+> int (cs_tm cs)
diff --git a/compiler/rename/RnBinds.hs b/compiler/rename/RnBinds.hs
index 33a1cb447b..be103e5b24 100644
--- a/compiler/rename/RnBinds.hs
+++ b/compiler/rename/RnBinds.hs
@@ -462,7 +462,7 @@ rnBind _ bind@(PatBind { pat_lhs = pat
-- or an occurrence of, a variable on the RHS
; whenWOptM Opt_WarnUnusedPatternBinds $
when (null bndrs && not is_wild_pat) $
- addWarn $ unusedPatBindWarn bind'
+ addWarn Opt_WarnUnusedPatternBinds $ unusedPatBindWarn bind'
; fvs' `seq` -- See Note [Free-variable space leak]
return (bind', bndrs, all_fvs) }
@@ -1104,7 +1104,7 @@ rnGRHS' ctxt rnBody (GRHS guards rhs)
rnBody rhs
; unless (pattern_guards_allowed || is_standard_guard guards')
- (addWarn (nonStdGuardErr guards'))
+ (addWarn' (nonStdGuardErr guards'))
; return (GRHS guards' rhs', fvs) }
where
diff --git a/compiler/rename/RnEnv.hs b/compiler/rename/RnEnv.hs
index 5d74d7c94f..4f832f8443 100644
--- a/compiler/rename/RnEnv.hs
+++ b/compiler/rename/RnEnv.hs
@@ -743,7 +743,8 @@ lookup_demoted rdr_name dflags
Just demoted_name
| data_kinds ->
do { whenWOptM Opt_WarnUntickedPromotedConstructors $
- addWarn (untickedPromConstrWarn demoted_name)
+ addWarn Opt_WarnUntickedPromotedConstructors
+ (untickedPromConstrWarn demoted_name)
; return demoted_name }
| otherwise -> unboundNameX WL_Any rdr_name suggest_dk }
@@ -1068,7 +1069,8 @@ warnIfDeprecated gre@(GRE { gre_name = name, gre_imp = iss })
-- See Note [Handling of deprecations]
do { iface <- loadInterfaceForName doc name
; case lookupImpDeprec iface gre of
- Just txt -> addWarn (mk_msg imp_spec txt)
+ Just txt -> addWarn Opt_WarnWarningsDeprecations
+ (mk_msg imp_spec txt)
Nothing -> return () } }
| otherwise
= return ()
@@ -1738,7 +1740,8 @@ checkShadowedOccs (global_env,local_env) get_loc_occ ns
-- we don't find any GREs that are in scope qualified-only
complain [] = return ()
- complain pp_locs = addWarnAt loc (shadowedNameWarn occ pp_locs)
+ complain pp_locs = addWarnAt Opt_WarnNameShadowing
+ loc (shadowedNameWarn occ pp_locs)
is_shadowed_gre :: GlobalRdrElt -> RnM Bool
-- Returns False for record selectors that are shadowed, when
@@ -2118,7 +2121,8 @@ warnUnusedLocals names = do
warnUnusedLocal :: NameEnv (FieldLabelString, Name) -> Name -> RnM ()
warnUnusedLocal fld_env name
= when (reportable name) $
- addUnusedWarning occ (nameSrcSpan name)
+ addUnusedWarning Opt_WarnUnusedLocalBinds
+ occ (nameSrcSpan name)
(text "Defined but not used")
where
occ = case lookupNameEnv fld_env name of
@@ -2132,7 +2136,7 @@ warnUnusedGRE gre@(GRE { gre_name = name, gre_lcl = lcl, gre_imp = is })
| otherwise = when (reportable name) (mapM_ warn is)
where
occ = greOccName gre
- warn spec = addUnusedWarning occ span msg
+ warn spec = addUnusedWarning Opt_WarnUnusedTopBinds occ span msg
where
span = importSpecLoc spec
pp_mod = quotes (ppr (importSpecModule spec))
@@ -2154,9 +2158,9 @@ reportable name
-- from Data.Tuple
| otherwise = not (startsWithUnderscore (nameOccName name))
-addUnusedWarning :: OccName -> SrcSpan -> SDoc -> RnM ()
-addUnusedWarning occ span msg
- = addWarnAt span $
+addUnusedWarning :: WarningFlag -> OccName -> SrcSpan -> SDoc -> RnM ()
+addUnusedWarning flag occ span msg
+ = addWarnAt flag span $
sep [msg <> colon,
nest 2 $ pprNonVarNameSpace (occNameSpace occ)
<+> quotes (ppr occ)]
diff --git a/compiler/rename/RnNames.hs b/compiler/rename/RnNames.hs
index d8e08e20aa..33074dbde0 100644
--- a/compiler/rename/RnNames.hs
+++ b/compiler/rename/RnNames.hs
@@ -236,7 +236,8 @@ rnImportDecl this_mod
_ | implicit -> return () -- Do not bleat for implicit imports
| qual_only -> return ()
| otherwise -> whenWOptM Opt_WarnMissingImportList $
- addWarn (missingImportListWarn imp_mod_name)
+ addWarn Opt_WarnMissingImportList
+ (missingImportListWarn imp_mod_name)
iface <- loadSrcInterface doc imp_mod_name want_boot (fmap sl_fs mb_pkg)
@@ -253,8 +254,8 @@ rnImportDecl this_mod
-- the non-boot module depends on the compilation order, which
-- is not deterministic. The hs-boot test can show this up.
dflags <- getDynFlags
- warnIf (want_boot && not (mi_boot iface) && isOneShot (ghcMode dflags))
- (warnRedundantSourceImport imp_mod_name)
+ warnIf' (want_boot && not (mi_boot iface) && isOneShot (ghcMode dflags))
+ (warnRedundantSourceImport imp_mod_name)
when (mod_safe && not (safeImportsOn dflags)) $
addErr (text "safe import can't be used as Safe Haskell isn't on!"
$+$ ptext (sLit $ "please enable Safe Haskell through either "
@@ -297,7 +298,8 @@ rnImportDecl this_mod
-- Complain if we import a deprecated module
whenWOptM Opt_WarnWarningsDeprecations (
case (mi_warns iface) of
- WarnAll txt -> addWarn $ moduleWarn imp_mod_name txt
+ WarnAll txt -> addWarn Opt_WarnWarningsDeprecations
+ (moduleWarn imp_mod_name txt)
_ -> return ()
)
@@ -814,11 +816,11 @@ filterImports iface decl_spec (Just (want_hiding, L l import_items))
where
-- Warn when importing T(..) if T was exported abstractly
emit_warning (DodgyImport n) = whenWOptM Opt_WarnDodgyImports $
- addWarn (dodgyImportWarn n)
+ addWarn Opt_WarnDodgyImports (dodgyImportWarn n)
emit_warning MissingImportList = whenWOptM Opt_WarnMissingImportList $
- addWarn (missingImportListItem ieRdr)
+ addWarn Opt_WarnMissingImportList (missingImportListItem ieRdr)
emit_warning BadImportW = whenWOptM Opt_WarnDodgyImports $
- addWarn (lookup_err_msg BadImport)
+ addWarn Opt_WarnDodgyImports (lookup_err_msg BadImport)
run_lookup :: IELookupM a -> TcRn (Maybe a)
run_lookup m = case m of
@@ -1262,7 +1264,8 @@ exports_from_avail (Just (L _ rdr_items)) rdr_env imports this_mod
| (L _ (IEModuleContents (L _ mod))) <- ie_names ]
, mod `elem` earlier_mods -- Duplicate export of M
= do { warn_dup_exports <- woptM Opt_WarnDuplicateExports ;
- warnIf warn_dup_exports (dupModuleExport mod) ;
+ warnIf Opt_WarnDuplicateExports warn_dup_exports
+ (dupModuleExport mod) ;
return acc }
| otherwise
@@ -1276,7 +1279,8 @@ exports_from_avail (Just (L _ rdr_items)) rdr_env imports this_mod
}
; checkErr exportValid (moduleNotImported mod)
- ; warnIf (warnDodgyExports && exportValid && null gre_prs)
+ ; warnIf Opt_WarnDodgyExports
+ (warnDodgyExports && exportValid && null gre_prs)
(nullModuleExport mod)
; traceRn (text "efa" <+> (ppr mod $$ ppr all_gres))
@@ -1373,7 +1377,8 @@ exports_from_avail (Just (L _ rdr_items)) rdr_env imports this_mod
warnDodgyExports <- woptM Opt_WarnDodgyExports
when (null gres) $
if isTyConName name
- then when warnDodgyExports $ addWarn (dodgyExportWarn name)
+ then when warnDodgyExports $
+ addWarn Opt_WarnDodgyExports (dodgyExportWarn name)
else -- This occurs when you export T(..), but
-- only import T abstractly, or T is a synonym.
addErr (exportItemErr ie)
@@ -1416,7 +1421,8 @@ check_occs ie occs names -- 'names' are the entities specifed by 'ie'
-- by two different module exports. See ticket #4478.
-> do unless (dupExport_ok name ie ie') $ do
warn_dup_exports <- woptM Opt_WarnDuplicateExports
- warnIf warn_dup_exports (dupExportWarn name_occ ie ie')
+ warnIf Opt_WarnDuplicateExports warn_dup_exports
+ (dupExportWarn name_occ ie ie')
return occs
| otherwise -- Same occ name but different names: an error
@@ -1550,7 +1556,7 @@ warnUnusedImportDecls gbl_env
; traceRn (vcat [ text "Uses:" <+> ppr uses
, text "Import usage" <+> ppr usage])
; whenWOptM Opt_WarnUnusedImports $
- mapM_ (warnUnusedImport fld_env) usage
+ mapM_ (warnUnusedImport Opt_WarnUnusedImports fld_env) usage
; whenGOptM Opt_D_dump_minimal_imports $
printMinimalImports usage }
@@ -1570,9 +1576,14 @@ warnMissingSigs gbl_env
; warn_pat_syns <- woptM Opt_WarnMissingPatSynSigs
; let sig_warn
- | warn_only_exported = topSigWarnIfExported exports sig_ns
- | warn_missing_sigs || warn_pat_syns = topSigWarn sig_ns
- | otherwise = noSigWarn
+ | warn_only_exported
+ = topSigWarnIfExported Opt_WarnMissingExportedSigs exports sig_ns
+ | warn_missing_sigs
+ = topSigWarn Opt_WarnMissingSigs sig_ns
+ | warn_pat_syns
+ = topSigWarn Opt_WarnMissingPatSynSigs sig_ns
+ | otherwise
+ = noSigWarn
; let binders = (if warn_pat_syns then ps_binders else [])
@@ -1591,35 +1602,36 @@ type SigWarn = [(Type, Name)] -> RnM ()
noSigWarn :: SigWarn
noSigWarn _ = return ()
-topSigWarnIfExported :: NameSet -> NameSet -> SigWarn
-topSigWarnIfExported exported sig_ns ids
- = mapM_ (topSigWarnIdIfExported exported sig_ns) ids
+topSigWarnIfExported :: WarningFlag -> NameSet -> NameSet -> SigWarn
+topSigWarnIfExported flag exported sig_ns ids
+ = mapM_ (topSigWarnIdIfExported flag exported sig_ns) ids
-topSigWarnIdIfExported :: NameSet -> NameSet -> (Type, Name) -> RnM ()
-topSigWarnIdIfExported exported sig_ns (ty, name)
+topSigWarnIdIfExported :: WarningFlag -> NameSet -> NameSet -> (Type, Name)
+ -> RnM ()
+topSigWarnIdIfExported flag exported sig_ns (ty, name)
| name `elemNameSet` exported
- = topSigWarnId sig_ns (ty, name)
+ = topSigWarnId flag sig_ns (ty, name)
| otherwise
= return ()
-topSigWarn :: NameSet -> SigWarn
-topSigWarn sig_ns ids = mapM_ (topSigWarnId sig_ns) ids
+topSigWarn :: WarningFlag -> NameSet -> SigWarn
+topSigWarn flag sig_ns ids = mapM_ (topSigWarnId flag sig_ns) ids
-topSigWarnId :: NameSet -> (Type, Name) -> RnM ()
+topSigWarnId :: WarningFlag -> NameSet -> (Type, Name) -> RnM ()
-- The NameSet is the Ids that *lack* a signature
-- We have to do it this way round because there are
-- lots of top-level bindings that are generated by GHC
-- and that don't have signatures
-topSigWarnId sig_ns (ty, name)
- | name `elemNameSet` sig_ns = warnMissingSig msg (ty, name)
+topSigWarnId flag sig_ns (ty, name)
+ | name `elemNameSet` sig_ns = warnMissingSig flag msg (ty, name)
| otherwise = return ()
where
msg = text "Top-level binding with no type signature:"
-warnMissingSig :: SDoc -> (Type, Name) -> RnM ()
-warnMissingSig msg (ty, name) = do
+warnMissingSig :: WarningFlag -> SDoc -> (Type, Name) -> RnM ()
+warnMissingSig flag msg (ty, name) = do
tymsg <- getMsg ty
- addWarnAt (getSrcSpan name) (mk_msg tymsg)
+ addWarnAt flag (getSrcSpan name) (mk_msg tymsg)
where
mk_msg endmsg = sep [ msg, nest 2 $ pprPrefixName name <+> endmsg ]
@@ -1723,9 +1735,9 @@ extendImportMap gre imp_map
-- For srcSpanEnd see Note [The ImportMap]
avail = availFromGRE gre
-warnUnusedImport :: NameEnv (FieldLabelString, Name) -> ImportDeclUsage
- -> RnM ()
-warnUnusedImport fld_env (L loc decl, used, unused)
+warnUnusedImport :: WarningFlag -> NameEnv (FieldLabelString, Name)
+ -> ImportDeclUsage -> RnM ()
+warnUnusedImport flag fld_env (L loc decl, used, unused)
| Just (False,L _ []) <- ideclHiding decl
= return () -- Do not warn for 'import M()'
@@ -1733,9 +1745,9 @@ warnUnusedImport fld_env (L loc decl, used, unused)
, not (null hides)
, pRELUDE_NAME == unLoc (ideclName decl)
= return () -- Note [Do not warn about Prelude hiding]
- | null used = addWarnAt loc msg1 -- Nothing used; drop entire decl
+ | null used = addWarnAt flag loc msg1 -- Nothing used; drop entire decl
| null unused = return () -- Everything imported is used; nop
- | otherwise = addWarnAt loc msg2 -- Some imports are unused
+ | otherwise = addWarnAt flag loc msg2 -- Some imports are unused
where
msg1 = vcat [pp_herald <+> quotes pp_mod <+> pp_not_used,
nest 2 (text "except perhaps to import instances from"
diff --git a/compiler/rename/RnSource.hs b/compiler/rename/RnSource.hs
index 4f655090c6..5c5e1b1d3e 100644
--- a/compiler/rename/RnSource.hs
+++ b/compiler/rename/RnSource.hs
@@ -500,10 +500,12 @@ checkCanonicalInstances cls poly_ty mbinds = do
case mbind of
FunBind { fun_id = L _ name, fun_matches = mg }
| name == pureAName, isAliasMG mg == Just returnMName
- -> addWarnNonCanonicalMethod1 "pure" "return"
+ -> addWarnNonCanonicalMethod1
+ Opt_WarnNonCanonicalMonadInstances "pure" "return"
| name == thenAName, isAliasMG mg == Just thenMName
- -> addWarnNonCanonicalMethod1 "(*>)" "(>>)"
+ -> addWarnNonCanonicalMethod1
+ Opt_WarnNonCanonicalMonadInstances "(*>)" "(>>)"
_ -> return ()
@@ -512,10 +514,12 @@ checkCanonicalInstances cls poly_ty mbinds = do
case mbind of
FunBind { fun_id = L _ name, fun_matches = mg }
| name == returnMName, isAliasMG mg /= Just pureAName
- -> addWarnNonCanonicalMethod2 "return" "pure"
+ -> addWarnNonCanonicalMethod2
+ Opt_WarnNonCanonicalMonadInstances "return" "pure"
| name == thenMName, isAliasMG mg /= Just thenAName
- -> addWarnNonCanonicalMethod2 "(>>)" "(*>)"
+ -> addWarnNonCanonicalMethod2
+ Opt_WarnNonCanonicalMonadInstances "(>>)" "(*>)"
_ -> return ()
@@ -540,7 +544,9 @@ checkCanonicalInstances cls poly_ty mbinds = do
case mbind of
FunBind { fun_id = L _ name, fun_matches = mg }
| name == failMName, isAliasMG mg == Just failMName_preMFP
- -> addWarnNonCanonicalMethod1 "fail" "Control.Monad.fail"
+ -> addWarnNonCanonicalMethod1
+ Opt_WarnNonCanonicalMonadFailInstances "fail"
+ "Control.Monad.fail"
_ -> return ()
@@ -549,8 +555,9 @@ checkCanonicalInstances cls poly_ty mbinds = do
case mbind of
FunBind { fun_id = L _ name, fun_matches = mg }
| name == failMName_preMFP, isAliasMG mg /= Just failMName
- -> addWarnNonCanonicalMethod2 "fail"
- "Control.Monad.Fail.fail"
+ -> addWarnNonCanonicalMethod2
+ Opt_WarnNonCanonicalMonadFailInstances "fail"
+ "Control.Monad.Fail.fail"
_ -> return ()
| otherwise = return ()
@@ -574,7 +581,8 @@ checkCanonicalInstances cls poly_ty mbinds = do
case mbind of
FunBind { fun_id = L _ name, fun_matches = mg }
| name == sappendName, isAliasMG mg == Just mappendName
- -> addWarnNonCanonicalMethod1 "(<>)" "mappend"
+ -> addWarnNonCanonicalMethod1
+ Opt_WarnNonCanonicalMonoidInstances "(<>)" "mappend"
_ -> return ()
@@ -583,7 +591,8 @@ checkCanonicalInstances cls poly_ty mbinds = do
case mbind of
FunBind { fun_id = L _ name, fun_matches = mg }
| name == mappendName, isAliasMG mg /= Just sappendName
- -> addWarnNonCanonicalMethod2NoDefault "mappend" "(<>)"
+ -> addWarnNonCanonicalMethod2NoDefault
+ Opt_WarnNonCanonicalMonoidInstances "mappend" "(<>)"
_ -> return ()
@@ -599,8 +608,9 @@ checkCanonicalInstances cls poly_ty mbinds = do
isAliasMG _ = Nothing
-- got "lhs = rhs" but expected something different
- addWarnNonCanonicalMethod1 lhs rhs = do
- addWarn $ vcat [ text "Noncanonical" <+>
+ addWarnNonCanonicalMethod1 flag lhs rhs = do
+ addWarn flag $ vcat
+ [ text "Noncanonical" <+>
quotes (text (lhs ++ " = " ++ rhs)) <+>
text "definition detected"
, instDeclCtxt1 poly_ty
@@ -610,8 +620,9 @@ checkCanonicalInstances cls poly_ty mbinds = do
]
-- expected "lhs = rhs" but got something else
- addWarnNonCanonicalMethod2 lhs rhs = do
- addWarn $ vcat [ text "Noncanonical" <+>
+ addWarnNonCanonicalMethod2 flag lhs rhs = do
+ addWarn flag $ vcat
+ [ text "Noncanonical" <+>
quotes (text lhs) <+>
text "definition detected"
, instDeclCtxt1 poly_ty
@@ -621,8 +632,9 @@ checkCanonicalInstances cls poly_ty mbinds = do
]
-- like above, but method has no default impl
- addWarnNonCanonicalMethod2NoDefault lhs rhs = do
- addWarn $ vcat [ text "Noncanonical" <+>
+ addWarnNonCanonicalMethod2NoDefault flag lhs rhs = do
+ addWarn flag $ vcat
+ [ text "Noncanonical" <+>
quotes (text lhs) <+>
text "definition detected"
, instDeclCtxt1 poly_ty
diff --git a/compiler/rename/RnTypes.hs b/compiler/rename/RnTypes.hs
index 118a32b392..b729e3befc 100644
--- a/compiler/rename/RnTypes.hs
+++ b/compiler/rename/RnTypes.hs
@@ -1409,7 +1409,7 @@ warnUnusedForAll :: SDoc -> LHsTyVarBndr Name -> FreeVars -> TcM ()
warnUnusedForAll in_doc (L loc tv) used_names
= whenWOptM Opt_WarnUnusedForalls $
unless (hsTyVarName tv `elemNameSet` used_names) $
- addWarnAt loc $
+ addWarnAt Opt_WarnUnusedForalls loc $
vcat [ text "Unused quantified type variable" <+> quotes (ppr tv)
, in_doc ]
diff --git a/compiler/simplCore/CoreMonad.hs b/compiler/simplCore/CoreMonad.hs
index 13a7512ffa..36c6d87db1 100644
--- a/compiler/simplCore/CoreMonad.hs
+++ b/compiler/simplCore/CoreMonad.hs
@@ -825,7 +825,7 @@ msg sev doc
user_sty = mkUserStyle unqual AllTheWay
dump_sty = mkDumpStyle unqual
; liftIO $
- (log_action dflags) dflags sev loc sty doc }
+ (log_action dflags) dflags Nothing sev loc sty doc }
-- | Output a String message to the screen
putMsgS :: String -> CoreM ()
diff --git a/compiler/simplCore/SimplCore.hs b/compiler/simplCore/SimplCore.hs
index 6badbf83db..61c0491bf5 100644
--- a/compiler/simplCore/SimplCore.hs
+++ b/compiler/simplCore/SimplCore.hs
@@ -428,7 +428,8 @@ ruleCheckPass current_phase pat guts = do
dflags <- getDynFlags
vis_orphs <- getVisibleOrphanMods
liftIO $ Err.showPass dflags "RuleCheck"
- liftIO $ log_action dflags dflags Err.SevDump noSrcSpan defaultDumpStyle
+ liftIO $ log_action dflags dflags Nothing Err.SevDump noSrcSpan
+ defaultDumpStyle
(ruleCheckProgram current_phase pat
(RuleEnv rb vis_orphs) (mg_binds guts))
return guts
diff --git a/compiler/simplStg/SimplStg.hs b/compiler/simplStg/SimplStg.hs
index b8491fcbbe..8ea661d5f2 100644
--- a/compiler/simplStg/SimplStg.hs
+++ b/compiler/simplStg/SimplStg.hs
@@ -37,7 +37,8 @@ stg2stg dflags module_name binds
; us <- mkSplitUniqSupply 'g'
; when (dopt Opt_D_verbose_stg2stg dflags)
- (log_action dflags dflags SevDump noSrcSpan defaultDumpStyle (text "VERBOSE STG-TO-STG:"))
+ (log_action dflags dflags Nothing SevDump noSrcSpan
+ defaultDumpStyle (text "VERBOSE STG-TO-STG:"))
; (binds', us', ccs) <- end_pass us "Stg2Stg" ([],[],[]) binds
diff --git a/compiler/typecheck/Inst.hs b/compiler/typecheck/Inst.hs
index b3da5ef5ea..03dad405a0 100644
--- a/compiler/typecheck/Inst.hs
+++ b/compiler/typecheck/Inst.hs
@@ -520,7 +520,9 @@ newClsInst overlap_mode dfun_name tvs theta clas tys
; oflag <- getOverlapFlag overlap_mode
; let inst = mkLocalInstance dfun oflag tvs' clas tys'
; dflags <- getDynFlags
- ; warnIf (isOrphan (is_orphan inst) && wopt Opt_WarnOrphans dflags) (instOrphWarn inst)
+ ; warnIf Opt_WarnOrphans
+ (isOrphan (is_orphan inst) && wopt Opt_WarnOrphans dflags)
+ (instOrphWarn inst)
; return inst }
instOrphWarn :: ClsInst -> SDoc
diff --git a/compiler/typecheck/TcAnnotations.hs b/compiler/typecheck/TcAnnotations.hs
index b80d5bd236..e1bb975abf 100644
--- a/compiler/typecheck/TcAnnotations.hs
+++ b/compiler/typecheck/TcAnnotations.hs
@@ -29,7 +29,7 @@ tcAnnotations :: [LAnnDecl Name] -> TcM [Annotation]
-- No GHCI; emit a warning (not an error) and ignore. cf Trac #4268
tcAnnotations [] = return []
tcAnnotations anns@(L loc _ : _)
- = do { setSrcSpan loc $ addWarnTc $
+ = do { setSrcSpan loc $ addWarnTc' $
(text "Ignoring ANN annotation" <> plural anns <> comma
<+> text "because this is a stage-1 compiler or doesn't support GHCi")
; return [] }
diff --git a/compiler/typecheck/TcBinds.hs b/compiler/typecheck/TcBinds.hs
index 43f933b70d..3835bf185c 100644
--- a/compiler/typecheck/TcBinds.hs
+++ b/compiler/typecheck/TcBinds.hs
@@ -707,7 +707,8 @@ mkExport prag_fn qtvs theta
tcSubType_NC sig_ctxt sel_poly_ty (mkCheckExpType poly_ty)
; warn_missing_sigs <- woptM Opt_WarnMissingLocalSigs
- ; when warn_missing_sigs $ localSigWarn poly_id mb_sig
+ ; when warn_missing_sigs $
+ localSigWarn Opt_WarnMissingLocalSigs poly_id mb_sig
; return (ABE { abe_wrap = wrap
-- abe_wrap :: idType poly_id ~ (forall qtvs. theta => mono_ty)
@@ -797,7 +798,8 @@ chooseInferredQuantifiers inferred_theta tau_tvs qtvs
, ppr annotated_theta, ppr inferred_theta
, ppr inferred_diff ]
; case partial_sigs of
- True | warn_partial_sigs -> reportWarning msg
+ True | warn_partial_sigs ->
+ reportWarning (Just Opt_WarnPartialTypeSignatures) msg
| otherwise -> return ()
False -> reportError msg
@@ -851,19 +853,19 @@ mk_inf_msg poly_name poly_ty tidy_env
-- | Warn the user about polymorphic local binders that lack type signatures.
-localSigWarn :: Id -> Maybe TcIdSigInfo -> TcM ()
-localSigWarn id mb_sig
+localSigWarn :: WarningFlag -> Id -> Maybe TcIdSigInfo -> TcM ()
+localSigWarn flag id mb_sig
| Just _ <- mb_sig = return ()
| not (isSigmaTy (idType id)) = return ()
- | otherwise = warnMissingSig msg id
+ | otherwise = warnMissingSig flag msg id
where
msg = text "Polymorphic local binding with no type signature:"
-warnMissingSig :: SDoc -> Id -> TcM ()
-warnMissingSig msg id
+warnMissingSig :: WarningFlag -> SDoc -> Id -> TcM ()
+warnMissingSig flag msg id
= do { env0 <- tcInitTidyEnv
; let (env1, tidy_ty) = tidyOpenType env0 (idType id)
- ; addWarnTcM (env1, mk_msg tidy_ty) }
+ ; addWarnTcM flag (env1, mk_msg tidy_ty) }
where
mk_msg ty = sep [ msg, nest 2 $ pprPrefixName (idName id) <+> dcolon <+> ppr ty ]
@@ -1126,7 +1128,7 @@ tcSpecPrags poly_id prag_sigs
is_bad_sig s = not (isSpecLSig s || isInlineLSig s)
warn_discarded_sigs
- = addWarnTc (hang (text "Discarding unexpected pragmas for" <+> ppr poly_id)
+ = addWarnTc' (hang (text "Discarding unexpected pragmas for" <+> ppr poly_id)
2 (vcat (map (ppr . getLoc) bad_sigs)))
--------------
@@ -1140,7 +1142,7 @@ tcSpecPrag poly_id prag@(SpecSig fun_name hs_tys inl)
-- However we want to use fun_name in the error message, since that is
-- what the user wrote (Trac #8537)
= addErrCtxt (spec_ctxt prag) $
- do { warnIf (not (isOverloadedTy poly_ty || isInlinePragma inl))
+ do { warnIf' (not (isOverloadedTy poly_ty || isInlinePragma inl))
(text "SPECIALISE pragma for non-overloaded function"
<+> quotes (ppr fun_name))
-- Note [SPECIALISE pragmas]
@@ -1206,7 +1208,7 @@ tcImpSpec :: (Name, Sig Name) -> TcM [TcSpecPrag]
tcImpSpec (name, prag)
= do { id <- tcLookupId name
; unless (isAnyInlinePragma (idInlinePragma id))
- (addWarnTc (impSpecErr name))
+ (addWarnTc' (impSpecErr name))
; tcSpecPrag id prag }
impSpecErr :: Name -> SDoc
diff --git a/compiler/typecheck/TcClassDcl.hs b/compiler/typecheck/TcClassDcl.hs
index b1baabb963..3ccebeff0c 100644
--- a/compiler/typecheck/TcClassDcl.hs
+++ b/compiler/typecheck/TcClassDcl.hs
@@ -210,9 +210,9 @@ tcDefMeth clas tyvars this_dict binds_in hs_sig_fn prag_fn
; spec_prags <- discardConstraints $
tcSpecPrags global_dm_id prags
- ; warnTc (not (null spec_prags))
- (text "Ignoring SPECIALISE pragmas on default method"
- <+> quotes (ppr sel_name))
+ ; warnTc' (not (null spec_prags))
+ (text "Ignoring SPECIALISE pragmas on default method"
+ <+> quotes (ppr sel_name))
; let hs_ty = lookupHsSig hs_sig_fn sel_name
`orElse` pprPanic "tc_dm" (ppr sel_name)
@@ -280,7 +280,7 @@ tcClassMinimalDef _clas sigs op_info
-- class ops without default methods are required, since we
-- have no way to fill them in otherwise
whenIsJust (isUnsatisfied (mindef `impliesAtom`) defMindef) $
- (\bf -> addWarnTc (warningMinimalDefIncomplete bf))
+ (\bf -> addWarnTc' (warningMinimalDefIncomplete bf))
return mindef
where
-- By default require all methods without a default
@@ -487,7 +487,7 @@ warnMissingAT :: Name -> TcM ()
warnMissingAT name
= do { warn <- woptM Opt_WarnMissingMethods
; traceTc "warn" (ppr name <+> ppr warn)
- ; warnTc warn -- Warn only if -Wmissing-methods
+ ; warnTc Opt_WarnMissingMethods warn -- Warn only if -Wmissing-methods
(text "No explicit" <+> text "associated type"
<+> text "or default declaration for "
<+> quotes (ppr name)) }
diff --git a/compiler/typecheck/TcDeriv.hs b/compiler/typecheck/TcDeriv.hs
index 56772f2b1a..2c205069da 100644
--- a/compiler/typecheck/TcDeriv.hs
+++ b/compiler/typecheck/TcDeriv.hs
@@ -559,7 +559,7 @@ deriveStandalone (L loc (DerivDecl deriv_ty overlap_mode))
warnUselessTypeable :: TcM ()
warnUselessTypeable
= do { warn <- woptM Opt_WarnDerivingTypeable
- ; when warn $ addWarnTc
+ ; when warn $ addWarnTc Opt_WarnDerivingTypeable
$ text "Deriving" <+> quotes (ppr typeableClassName) <+>
text "has no effect: all types now auto-derive Typeable" }
@@ -1499,8 +1499,8 @@ mkNewTypeEqn dflags overlap_mode tvs
-- CanDerive/DerivableViaInstance
_ -> do when (newtype_deriving && deriveAnyClass) $
- addWarnTc (sep [ text "Both DeriveAnyClass and GeneralizedNewtypeDeriving are enabled"
- , text "Defaulting to the DeriveAnyClass strategy for instantiating" <+> ppr cls ])
+ addWarnTc' (sep [ text "Both DeriveAnyClass and GeneralizedNewtypeDeriving are enabled"
+ , text "Defaulting to the DeriveAnyClass strategy for instantiating" <+> ppr cls ])
go_for_it
where
newtype_deriving = xopt LangExt.GeneralizedNewtypeDeriving dflags
diff --git a/compiler/typecheck/TcErrors.hs b/compiler/typecheck/TcErrors.hs
index 2140a797ff..75a3b5cbb7 100644
--- a/compiler/typecheck/TcErrors.hs
+++ b/compiler/typecheck/TcErrors.hs
@@ -342,13 +342,13 @@ warnRedundantConstraints ctxt env info ev_vars
addErrCtxt (text "In" <+> ppr info) $
do { env <- getLclEnv
; msg <- mkErrorReport ctxt env (important doc)
- ; reportWarning msg }
+ ; reportWarning Nothing msg }
| otherwise -- But for InstSkol there already *is* a surrounding
-- "In the instance declaration for Eq [a]" context
-- and we don't want to say it twice. Seems a bit ad-hoc
= do { msg <- mkErrorReport ctxt env (important doc)
- ; reportWarning msg }
+ ; reportWarning Nothing msg }
where
doc = text "Redundant constraint" <> plural redundant_evs <> colon
<+> pprEvVarTheta redundant_evs
@@ -573,7 +573,7 @@ reportGroup mk_err ctxt cts =
-- Only warn about missing MonadFail constraint when
-- there are no other missing contstraints!
(monadFailCts, []) -> do { err <- mk_err ctxt monadFailCts
- ; reportWarning err }
+ ; reportWarning Nothing err }
(_, cts') -> do { err <- mk_err ctxt cts'
; maybeReportError ctxt err
@@ -597,7 +597,7 @@ maybeReportHoleError ctxt ct err
-- only if -fwarn_partial_type_signatures is on
case cec_type_holes ctxt of
HoleError -> reportError err
- HoleWarn -> reportWarning err
+ HoleWarn -> reportWarning (Just Opt_WarnPartialTypeSignatures) err
HoleDefer -> return ()
-- Otherwise this is a typed hole in an expression
@@ -605,7 +605,7 @@ maybeReportHoleError ctxt ct err
= -- If deferring, report a warning only if -Wtyped-holds is on
case cec_expr_holes ctxt of
HoleError -> reportError err
- HoleWarn -> reportWarning err
+ HoleWarn -> reportWarning (Just Opt_WarnTypedHoles) err
HoleDefer -> return ()
maybeReportError :: ReportErrCtxt -> ErrMsg -> TcM ()
@@ -615,12 +615,12 @@ maybeReportError ctxt err
= return () -- so suppress this error/warning
| cec_errors_as_warns ctxt
- = reportWarning err
+ = reportWarning Nothing err
| otherwise
= case cec_defer_type_errors ctxt of
TypeDefer -> return ()
- TypeWarn -> reportWarning err
+ TypeWarn -> reportWarning Nothing err
TypeError -> reportError err
addDeferredBinding :: ReportErrCtxt -> ErrMsg -> Ct -> TcM ()
@@ -2328,7 +2328,7 @@ warnDefaulting wanteds default_ty
, quotes (ppr default_ty) ])
2
ppr_wanteds
- ; setCtLocM loc $ warnTc warn_default warn_msg }
+ ; setCtLocM loc $ warnTc Opt_WarnTypeDefaults warn_default warn_msg }
{-
Note [Runtime skolems]
diff --git a/compiler/typecheck/TcExpr.hs b/compiler/typecheck/TcExpr.hs
index d54fbc7644..025d376e77 100644
--- a/compiler/typecheck/TcExpr.hs
+++ b/compiler/typecheck/TcExpr.hs
@@ -2221,7 +2221,8 @@ checkMissingFields con_like rbinds
warn <- woptM Opt_WarnMissingFields
unless (not (warn && notNull missing_ns_fields))
- (warnTc True (missingFields con_like missing_ns_fields))
+ (warnTc Opt_WarnMissingFields True
+ (missingFields con_like missing_ns_fields))
where
missing_s_fields
diff --git a/compiler/typecheck/TcForeign.hs b/compiler/typecheck/TcForeign.hs
index bc3a9283c6..bca9a5603d 100644
--- a/compiler/typecheck/TcForeign.hs
+++ b/compiler/typecheck/TcForeign.hs
@@ -349,7 +349,8 @@ checkMissingAmpersand :: DynFlags -> [Type] -> Type -> TcM ()
checkMissingAmpersand dflags arg_tys res_ty
| null arg_tys && isFunPtrTy res_ty &&
wopt Opt_WarnDodgyForeignImports dflags
- = addWarn (text "possible missing & in foreign import of FunPtr")
+ = addWarn Opt_WarnDodgyForeignImports
+ (text "possible missing & in foreign import of FunPtr")
| otherwise
= return ()
@@ -522,7 +523,8 @@ checkCConv StdCallConv = do dflags <- getDynFlags
then return StdCallConv
else do -- This is a warning, not an error. see #3336
when (wopt Opt_WarnUnsupportedCallingConventions dflags) $
- addWarnTc (text "the 'stdcall' calling convention is unsupported on this platform," $$ text "treating as ccall")
+ addWarnTc Opt_WarnUnsupportedCallingConventions
+ (text "the 'stdcall' calling convention is unsupported on this platform," $$ text "treating as ccall")
return CCallConv
checkCConv PrimCallConv = do addErrTc (text "The `prim' calling convention can only be used with `foreign import'")
return PrimCallConv
diff --git a/compiler/typecheck/TcInstDcls.hs b/compiler/typecheck/TcInstDcls.hs
index 82c66cc953..5b433860bd 100644
--- a/compiler/typecheck/TcInstDcls.hs
+++ b/compiler/typecheck/TcInstDcls.hs
@@ -447,7 +447,7 @@ tcInstDecls1 tycl_decls inst_decls deriv_decls
if isHsBootOrSig (tcg_src env)
then
do warn <- woptM Opt_WarnDerivingTypeable
- when warn $ addWarnTc $ vcat
+ when warn $ addWarnTc Opt_WarnDerivingTypeable $ vcat
[ ppTypeable <+> text "instances in .hs-boot files are ignored"
, text "This warning will become an error in future versions of the compiler"
]
@@ -1570,7 +1570,7 @@ derivBindCtxt sel_id clas tys
warnUnsatisfiedMinimalDefinition :: ClassMinimalDef -> TcM ()
warnUnsatisfiedMinimalDefinition mindef
= do { warn <- woptM Opt_WarnMissingMethods
- ; warnTc warn message
+ ; warnTc Opt_WarnMissingMethods warn message
}
where
message = vcat [text "No explicit implementation for"
diff --git a/compiler/typecheck/TcMatches.hs b/compiler/typecheck/TcMatches.hs
index 5f3bc5b73a..0070cb79c6 100644
--- a/compiler/typecheck/TcMatches.hs
+++ b/compiler/typecheck/TcMatches.hs
@@ -975,7 +975,8 @@ emitMonadFailConstraint pat res_ty
; return () }
warnRebindableClash :: LPat TcId -> TcRn ()
-warnRebindableClash pattern = addWarnAt (getLoc pattern)
+warnRebindableClash pattern = addWarnAt Opt_WarnMissingMonadFailInstances
+ (getLoc pattern)
(text "The failable pattern" <+> quotes (ppr pattern)
$$
nest 2 (text "is used together with -XRebindableSyntax."
diff --git a/compiler/typecheck/TcPat.hs b/compiler/typecheck/TcPat.hs
index 4d1d09a32f..4eaaa58fc9 100644
--- a/compiler/typecheck/TcPat.hs
+++ b/compiler/typecheck/TcPat.hs
@@ -219,7 +219,7 @@ addInlinePrags poly_id prags
warn_multiple_inlines inl2 inls
| otherwise
= setSrcSpan loc $
- addWarnTc (hang (text "Multiple INLINE pragmas for" <+> ppr poly_id)
+ addWarnTc' (hang (text "Multiple INLINE pragmas for" <+> ppr poly_id)
2 (vcat (text "Ignoring all but the first"
: map pp_inl (inl1:inl2:inls))))
diff --git a/compiler/typecheck/TcRnDriver.hs b/compiler/typecheck/TcRnDriver.hs
index fdc6e5e638..385405f6a7 100644
--- a/compiler/typecheck/TcRnDriver.hs
+++ b/compiler/typecheck/TcRnDriver.hs
@@ -310,7 +310,8 @@ tcRnModuleTcRnM hsc_env hsc_src
implicit_prelude import_decls } ;
whenWOptM Opt_WarnImplicitPrelude $
- when (notNull prel_imports) $ addWarn (implicitPreludeWarn) ;
+ when (notNull prel_imports) $
+ addWarn Opt_WarnImplicitPrelude (implicitPreludeWarn) ;
tcg_env <- {-# SCC "tcRnImports" #-}
tcRnImports hsc_env (prel_imports ++ import_decls) ;
@@ -1286,7 +1287,7 @@ tcPreludeClashWarn warnFlag name = do
; traceTc "tcPreludeClashWarn/prelude_functions"
(hang (ppr name) 4 (sep [ppr clashingElts]))
- ; let warn_msg x = addWarnAt (nameSrcSpan (gre_name x)) (hsep
+ ; let warn_msg x = addWarnAt warnFlag (nameSrcSpan (gre_name x)) (hsep
[ text "Local definition of"
, (quotes . ppr . nameOccName . gre_name) x
, text "clashes with a future Prelude name." ]
@@ -1397,7 +1398,7 @@ tcMissingParentClassWarn warnFlag isName shouldName
-- <should>" e.g. "Foo is an instance of Monad but not Applicative"
; let instLoc = srcLocSpan . nameSrcLoc $ getName isInst
warnMsg (Just name:_) =
- addWarnAt instLoc $
+ addWarnAt warnFlag instLoc $
hsep [ (quotes . ppr . nameOccName) name
, text "is an instance of"
, (ppr . nameOccName . className) isClass
diff --git a/compiler/typecheck/TcRnMonad.hs b/compiler/typecheck/TcRnMonad.hs
index 8cf0d748e3..1db87e4602 100644
--- a/compiler/typecheck/TcRnMonad.hs
+++ b/compiler/typecheck/TcRnMonad.hs
@@ -719,9 +719,13 @@ checkErr :: Bool -> MsgDoc -> TcRn ()
-- Add the error if the bool is False
checkErr ok msg = unless ok (addErr msg)
-warnIf :: Bool -> MsgDoc -> TcRn ()
-warnIf True msg = addWarn msg
-warnIf False _ = return ()
+warnIf :: WarningFlag -> Bool -> MsgDoc -> TcRn ()
+warnIf flag True msg = addWarn flag msg
+warnIf _ False _ = return ()
+
+warnIf' :: Bool -> MsgDoc -> TcRn ()
+warnIf' True msg = addWarn' msg
+warnIf' False _ = return ()
addMessages :: Messages -> TcRn ()
addMessages msgs1
@@ -777,9 +781,9 @@ reportError err
(warns, errs) <- readTcRef errs_var ;
writeTcRef errs_var (warns, errs `snocBag` err) }
-reportWarning :: ErrMsg -> TcRn ()
-reportWarning err
- = do { let warn = makeIntoWarning err
+reportWarning :: Maybe WarningFlag -> ErrMsg -> TcRn ()
+reportWarning flag err
+ = do { let warn = makeIntoWarning flag err
-- 'err' was built by mkLongErrMsg or something like that,
-- so it's of error severity. For a warning we downgrade
-- its severity to SevWarning
@@ -1081,44 +1085,70 @@ failIfTcM True err = failWithTcM err
-- Warnings have no 'M' variant, nor failure
-warnTc :: Bool -> MsgDoc -> TcM ()
-warnTc warn_if_true warn_msg
- | warn_if_true = addWarnTc warn_msg
+warnTc :: WarningFlag -> Bool -> MsgDoc -> TcM ()
+warnTc flag warn_if_true warn_msg
+ | warn_if_true = addWarnTc flag warn_msg
+ | otherwise = return ()
+
+warnTc' :: Bool -> MsgDoc -> TcM ()
+warnTc' warn_if_true warn_msg
+ | warn_if_true = addWarnTc' warn_msg
| otherwise = return ()
-warnTcM :: Bool -> (TidyEnv, MsgDoc) -> TcM ()
-warnTcM warn_if_true warn_msg
- | warn_if_true = addWarnTcM warn_msg
+warnTcM :: WarningFlag -> Bool -> (TidyEnv, MsgDoc) -> TcM ()
+warnTcM flag warn_if_true warn_msg
+ | warn_if_true = addWarnTcM flag warn_msg
| otherwise = return ()
-addWarnTc :: MsgDoc -> TcM ()
-addWarnTc msg = do { env0 <- tcInitTidyEnv
- ; addWarnTcM (env0, msg) }
+warnTcM' :: Bool -> (TidyEnv, MsgDoc) -> TcM ()
+warnTcM' warn_if_true warn_msg
+ | warn_if_true = addWarnTcM' warn_msg
+ | otherwise = return ()
+
+addWarnTc :: WarningFlag -> MsgDoc -> TcM ()
+addWarnTc flag msg = do { env0 <- tcInitTidyEnv
+ ; addWarnTcM flag (env0, msg) }
+
+addWarnTc' :: MsgDoc -> TcM ()
+addWarnTc' msg = do { env0 <- tcInitTidyEnv
+ ; addWarnTcM' (env0, msg) }
-addWarnTcM :: (TidyEnv, MsgDoc) -> TcM ()
-addWarnTcM (env0, msg)
+addWarnTcM :: WarningFlag -> (TidyEnv, MsgDoc) -> TcM ()
+addWarnTcM flag (env0, msg)
= do { ctxt <- getErrCtxt ;
err_info <- mkErrInfo env0 ctxt ;
- add_warn msg err_info }
+ add_warn (Just flag) msg err_info }
+
+addWarnTcM' :: (TidyEnv, MsgDoc) -> TcM ()
+addWarnTcM' (env0, msg)
+ = do { ctxt <- getErrCtxt ;
+ err_info <- mkErrInfo env0 ctxt ;
+ add_warn Nothing msg err_info }
+
+addWarn :: WarningFlag -> MsgDoc -> TcRn ()
+addWarn flag msg = add_warn (Just flag) msg Outputable.empty
+
+addWarn' :: MsgDoc -> TcRn ()
+addWarn' msg = add_warn Nothing msg Outputable.empty
-addWarn :: MsgDoc -> TcRn ()
-addWarn msg = add_warn msg Outputable.empty
+addWarnAt :: WarningFlag -> SrcSpan -> MsgDoc -> TcRn ()
+addWarnAt flag loc msg = add_warn_at (Just flag) loc msg Outputable.empty
-addWarnAt :: SrcSpan -> MsgDoc -> TcRn ()
-addWarnAt loc msg = add_warn_at loc msg Outputable.empty
+addWarnAt' :: SrcSpan -> MsgDoc -> TcRn ()
+addWarnAt' loc msg = add_warn_at Nothing loc msg Outputable.empty
-add_warn :: MsgDoc -> MsgDoc -> TcRn ()
-add_warn msg extra_info
+add_warn :: Maybe WarningFlag -> MsgDoc -> MsgDoc -> TcRn ()
+add_warn flag msg extra_info
= do { loc <- getSrcSpanM
- ; add_warn_at loc msg extra_info }
+ ; add_warn_at flag loc msg extra_info }
-add_warn_at :: SrcSpan -> MsgDoc -> MsgDoc -> TcRn ()
-add_warn_at loc msg extra_info
+add_warn_at :: Maybe WarningFlag -> SrcSpan -> MsgDoc -> MsgDoc -> TcRn ()
+add_warn_at flag loc msg extra_info
= do { dflags <- getDynFlags ;
printer <- getPrintUnqualified dflags ;
let { warn = mkLongWarnMsg dflags loc printer
msg extra_info } ;
- reportWarning warn }
+ reportWarning flag warn }
tcInitTidyEnv :: TcM TidyEnv
tcInitTidyEnv
@@ -1486,7 +1516,8 @@ failIfM msg
= do { env <- getLclEnv
; let full_msg = (if_loc env <> colon) $$ nest 2 msg
; dflags <- getDynFlags
- ; liftIO (log_action dflags dflags SevFatal noSrcSpan (defaultErrStyle dflags) full_msg)
+ ; liftIO (log_action dflags dflags Nothing SevFatal
+ noSrcSpan (defaultErrStyle dflags) full_msg)
; failM }
--------------------
@@ -1522,7 +1553,8 @@ forkM_maybe doc thing_inside
dflags <- getDynFlags
let msg = hang (text "forkM failed:" <+> doc)
2 (text (show exn))
- liftIO $ log_action dflags dflags SevFatal noSrcSpan (defaultErrStyle dflags) msg
+ liftIO $ log_action dflags dflags Nothing SevFatal
+ noSrcSpan (defaultErrStyle dflags) msg
; traceIf (text "} ending fork (badly)" <+> doc)
; return Nothing }
diff --git a/compiler/typecheck/TcSMonad.hs b/compiler/typecheck/TcSMonad.hs
index 053c53b86a..08a0bd87dc 100644
--- a/compiler/typecheck/TcSMonad.hs
+++ b/compiler/typecheck/TcSMonad.hs
@@ -2351,9 +2351,10 @@ wrapWarnTcS :: TcM a -> TcS a
wrapWarnTcS = wrapTcS
failTcS, panicTcS :: SDoc -> TcS a
-warnTcS, addErrTcS :: SDoc -> TcS ()
+warnTcS :: WarningFlag -> SDoc -> TcS ()
+addErrTcS :: SDoc -> TcS ()
failTcS = wrapTcS . TcM.failWith
-warnTcS = wrapTcS . TcM.addWarn
+warnTcS flag = wrapTcS . TcM.addWarn flag
addErrTcS = wrapTcS . TcM.addErr
panicTcS doc = pprPanic "TcCanonical" doc
diff --git a/compiler/typecheck/TcSimplify.hs b/compiler/typecheck/TcSimplify.hs
index be0735816b..bb86482590 100644
--- a/compiler/typecheck/TcSimplify.hs
+++ b/compiler/typecheck/TcSimplify.hs
@@ -742,7 +742,7 @@ decideQuantification apply_mr sigs name_taus constraints
-- Warn about the monomorphism restriction
; warn_mono <- woptM Opt_WarnMonomorphism
; let mr_bites = constrained_tvs `intersectsVarSet` zonked_tkvs
- ; warnTc (warn_mono && mr_bites) $
+ ; warnTc Opt_WarnMonomorphism (warn_mono && mr_bites) $
hang (text "The Monomorphism Restriction applies to the binding"
<> plural bndrs <+> text "for" <+> pp_bndrs)
2 (text "Consider giving a type signature for"
diff --git a/compiler/typecheck/TcSplice.hs b/compiler/typecheck/TcSplice.hs
index 921da07d2d..6ea4fa3bc5 100644
--- a/compiler/typecheck/TcSplice.hs
+++ b/compiler/typecheck/TcSplice.hs
@@ -806,8 +806,8 @@ instance TH.Quasi TcM where
-- 'msg' is forced to ensure exceptions don't escape,
-- see Note [Exceptions in TH]
- qReport True msg = seqList msg $ addErr (text msg)
- qReport False msg = seqList msg $ addWarn (text msg)
+ qReport True msg = seqList msg $ addErr (text msg)
+ qReport False msg = seqList msg $ addWarn' (text msg)
qLocation = do { m <- getModule
; l <- getSrcSpanM
diff --git a/compiler/typecheck/TcTyClsDecls.hs b/compiler/typecheck/TcTyClsDecls.hs
index e68efd09f9..e550fe0eb4 100644
--- a/compiler/typecheck/TcTyClsDecls.hs
+++ b/compiler/typecheck/TcTyClsDecls.hs
@@ -2125,13 +2125,13 @@ checkValidDataCon dflags existential_ok tc con
(bad_bang n (text "Lazy annotation (~) without StrictData"))
check_bang (HsSrcBang _ want_unpack strict_mark) rep_bang n
| isSrcUnpacked want_unpack, not is_strict
- = addWarnTc (bad_bang n (text "UNPACK pragma lacks '!'"))
+ = addWarnTc' (bad_bang n (text "UNPACK pragma lacks '!'"))
| isSrcUnpacked want_unpack
, case rep_bang of { HsUnpack {} -> False; _ -> True }
, not (gopt Opt_OmitInterfacePragmas dflags)
-- If not optimising, se don't unpack, so don't complain!
-- See MkId.dataConArgRep, the (HsBang True) case
- = addWarnTc (bad_bang n (text "Ignoring unusable UNPACK pragma"))
+ = addWarnTc' (bad_bang n (text "Ignoring unusable UNPACK pragma"))
where
is_strict = case strict_mark of
NoSrcStrict -> xopt LangExt.StrictData dflags
diff --git a/compiler/typecheck/TcValidity.hs b/compiler/typecheck/TcValidity.hs
index 56cb348669..b018b52994 100644
--- a/compiler/typecheck/TcValidity.hs
+++ b/compiler/typecheck/TcValidity.hs
@@ -684,7 +684,8 @@ check_valid_theta _ _ []
= return ()
check_valid_theta env ctxt theta
= do { dflags <- getDynFlags
- ; warnTcM (wopt Opt_WarnDuplicateConstraints dflags &&
+ ; warnTcM Opt_WarnDuplicateConstraints
+ (wopt Opt_WarnDuplicateConstraints dflags &&
notNull dups) (dupPredWarn env dups)
; traceTc "check_valid_theta" (ppr theta)
; mapM_ (check_pred_ty env dflags ctxt) theta }
@@ -1455,7 +1456,7 @@ checkValidCoAxiom ax@(CoAxiom { co_ax_tc = fam_tc, co_ax_branches = branches })
-- (b) failure of injectivity
check_branch_compat prev_branches cur_branch
| cur_branch `isDominatedBy` prev_branches
- = do { addWarnAt (coAxBranchSpan cur_branch) $
+ = do { addWarnAt' (coAxBranchSpan cur_branch) $
inaccessibleCoAxBranch ax cur_branch
; return prev_branches }
| otherwise
diff --git a/ghc/GHCi/UI.hs b/ghc/GHCi/UI.hs
index deb37556ce..4b39159c83 100644
--- a/ghc/GHCi/UI.hs
+++ b/ghc/GHCi/UI.hs
@@ -473,8 +473,8 @@ resetLastErrorLocations = do
liftIO $ writeIORef (lastErrorLocations st) []
ghciLogAction :: IORef [(FastString, Int)] -> LogAction
-ghciLogAction lastErrLocations dflags severity srcSpan style msg = do
- defaultLogAction dflags severity srcSpan style msg
+ghciLogAction lastErrLocations dflags flag severity srcSpan style msg = do
+ defaultLogAction dflags flag severity srcSpan style msg
case severity of
SevError -> case srcSpan of
RealSrcSpan rsp -> modifyIORef lastErrLocations
diff --git a/testsuite/tests/deSugar/should_compile/ds041.stderr b/testsuite/tests/deSugar/should_compile/ds041.stderr
index c276b77ce9..6b26c7252d 100644
--- a/testsuite/tests/deSugar/should_compile/ds041.stderr
+++ b/testsuite/tests/deSugar/should_compile/ds041.stderr
@@ -1,8 +1,8 @@
-ds041.hs:1:14: Warning:
+ds041.hs:1:14: warning:
-XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
-ds041.hs:16:7: Warning:
- Fields of ‘Foo’ not initialised: x
- In the expression: Foo {}
- In an equation for ‘foo’: foo = Foo {}
+ds041.hs:16:7: warning: [-Wmissing-fields]
+ • Fields of ‘Foo’ not initialised: x
+ • In the expression: Foo {}
+ In an equation for ‘foo’: foo = Foo {}
diff --git a/testsuite/tests/deSugar/should_compile/ds053.stderr b/testsuite/tests/deSugar/should_compile/ds053.stderr
index 52aa9d7917..df0aaf4c46 100644
--- a/testsuite/tests/deSugar/should_compile/ds053.stderr
+++ b/testsuite/tests/deSugar/should_compile/ds053.stderr
@@ -1,2 +1,3 @@
-ds053.hs:5:1: Warning: Defined but not used: ‘f’
+ds053.hs:5:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘f’
diff --git a/testsuite/tests/dependent/should_compile/T11241.stderr b/testsuite/tests/dependent/should_compile/T11241.stderr
index 49a39a96e8..50a59d2e3a 100644
--- a/testsuite/tests/dependent/should_compile/T11241.stderr
+++ b/testsuite/tests/dependent/should_compile/T11241.stderr
@@ -1,5 +1,5 @@
-T11241.hs:5:21: warning:
+T11241.hs:5:21: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘*’
• In the type signature:
foo :: forall (a :: _). a -> a
diff --git a/testsuite/tests/deriving/should_compile/T4966.stderr b/testsuite/tests/deriving/should_compile/T4966.stderr
index 765c69756d..7882b5277d 100644
--- a/testsuite/tests/deriving/should_compile/T4966.stderr
+++ b/testsuite/tests/deriving/should_compile/T4966.stderr
@@ -1,8 +1,8 @@
-T4966.hs:3:14: Warning:
+T4966.hs:3:14: warning:
-XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
-T4966.hs:35:30: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (TreeListObject a)’
+T4966.hs:35:30: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (TreeListObject a)’
diff --git a/testsuite/tests/deriving/should_compile/deriving-1935.stderr b/testsuite/tests/deriving/should_compile/deriving-1935.stderr
index 9901a367d7..07b279e32b 100644
--- a/testsuite/tests/deriving/should_compile/deriving-1935.stderr
+++ b/testsuite/tests/deriving/should_compile/deriving-1935.stderr
@@ -1,15 +1,15 @@
-deriving-1935.hs:17:11: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (T a)’
+deriving-1935.hs:17:11: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (T a)’
-deriving-1935.hs:20:11: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (S a)’
+deriving-1935.hs:20:11: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (S a)’
-deriving-1935.hs:21:11: Warning:
- No explicit implementation for
- either ‘compare’ or ‘<=’
- In the instance declaration for ‘Ord (S a)’
+deriving-1935.hs:21:11: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘compare’ or ‘<=’
+ • In the instance declaration for ‘Ord (S a)’
diff --git a/testsuite/tests/deriving/should_compile/drv003.stderr b/testsuite/tests/deriving/should_compile/drv003.stderr
index ead606d28a..0e093db61e 100644
--- a/testsuite/tests/deriving/should_compile/drv003.stderr
+++ b/testsuite/tests/deriving/should_compile/drv003.stderr
@@ -1,10 +1,10 @@
-drv003.hs:14:10: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (Foo a)’
+drv003.hs:14:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (Foo a)’
-drv003.hs:17:10: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (Bar b)’
+drv003.hs:17:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (Bar b)’
diff --git a/testsuite/tests/deriving/should_fail/drvfail006.stderr b/testsuite/tests/deriving/should_fail/drvfail006.stderr
index 018291b6bb..ecf5e50c0d 100644
--- a/testsuite/tests/deriving/should_fail/drvfail006.stderr
+++ b/testsuite/tests/deriving/should_fail/drvfail006.stderr
@@ -1,6 +1,8 @@
-
-drvfail006.hs:9:45:
- Can't make a derived instance of `MonadState T'
- (even with cunning newtype deriving):
- `MonadState' does not have arity 1
- In the newtype declaration for `T'
+
+drvfail006.hs:7:1: error:
+ Failed to load interface for ‘Control.Monad.State’
+ Perhaps you meant
+ Control.Monad.Fail (from base-4.9.0.0)
+ Control.Monad.ST (from base-4.9.0.0)
+ Control.Monad.ST.Safe (from base-4.9.0.0)
+ Use -v to see a list of the files searched for.
diff --git a/testsuite/tests/deriving/should_fail/drvfail008.stderr b/testsuite/tests/deriving/should_fail/drvfail008.stderr
index 9b56dfb1d7..64e9a52434 100644
--- a/testsuite/tests/deriving/should_fail/drvfail008.stderr
+++ b/testsuite/tests/deriving/should_fail/drvfail008.stderr
@@ -1,6 +1,8 @@
-
-drvfail008.hs:10:43:
- Can't make a derived instance of `Monad M':
- `Monad' is not a derivable class
- Try -XGeneralizedNewtypeDeriving for GHC's newtype-deriving extension
- In the newtype declaration for `M'
+
+drvfail008.hs:6:1: error:
+ Failed to load interface for ‘Control.Monad.State’
+ Perhaps you meant
+ Control.Monad.Fail (from base-4.9.0.0)
+ Control.Monad.ST (from base-4.9.0.0)
+ Control.Monad.ST.Safe (from base-4.9.0.0)
+ Use -v to see a list of the files searched for.
diff --git a/testsuite/tests/driver/werror.stderr b/testsuite/tests/driver/werror.stderr
index a20dc5e689..0caca345aa 100644
--- a/testsuite/tests/driver/werror.stderr
+++ b/testsuite/tests/driver/werror.stderr
@@ -1,20 +1,22 @@
-werror.hs:6:1: warning:
+werror.hs:6:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: main :: IO ()
-werror.hs:7:13: warning:
+werror.hs:7:13: warning: [-Wname-shadowing]
This binding for ‘main’ shadows the existing binding
defined at werror.hs:6:1
-werror.hs:7:13: warning: Defined but not used: ‘main’
+werror.hs:7:13: warning: [-Wunused-local-binds]
+ Defined but not used: ‘main’
werror.hs:8:1: warning:
Tab character found here.
Please use spaces instead.
-werror.hs:10:1: warning: Defined but not used: ‘f’
+werror.hs:10:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘f’
-werror.hs:10:1: warning:
+werror.hs:10:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
f :: forall t t1. [t] -> [t1]
diff --git a/testsuite/tests/ffi/should_compile/T1357.stderr b/testsuite/tests/ffi/should_compile/T1357.stderr
index 6678973fe4..abf18e06de 100644
--- a/testsuite/tests/ffi/should_compile/T1357.stderr
+++ b/testsuite/tests/ffi/should_compile/T1357.stderr
@@ -1,3 +1,3 @@
-T1357.hs:5:1:
- Warning: possible missing & in foreign import of FunPtr
+T1357.hs:5:1: warning: [-Wdodgy-foreign-imports]
+ possible missing & in foreign import of FunPtr
diff --git a/testsuite/tests/ghc-api/apirecomp001/apirecomp001.stderr b/testsuite/tests/ghc-api/apirecomp001/apirecomp001.stderr
index d778df2783..80b94dca4b 100644
--- a/testsuite/tests/ghc-api/apirecomp001/apirecomp001.stderr
+++ b/testsuite/tests/ghc-api/apirecomp001/apirecomp001.stderr
@@ -1,9 +1,9 @@
-B.hs:4:1: warning:
+B.hs:4:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
answer_to_live_the_universe_and_everything :: Int
-B.hs:5:12: warning:
+B.hs:5:12: warning: [-Wtype-defaults]
• Defaulting the following constraints to type ‘Integer’
(Enum a0)
arising from the arithmetic sequence ‘1 .. 23 * 2’ at B.hs:5:12-20
@@ -12,14 +12,14 @@ B.hs:5:12: warning:
In the first argument of ‘(-)’, namely ‘length [1 .. 23 * 2]’
In the expression: length [1 .. 23 * 2] - 4
-A.hs:7:1: warning:
+A.hs:7:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: main :: IO ()
-B.hs:4:1: warning:
+B.hs:4:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
answer_to_live_the_universe_and_everything :: Int
-B.hs:5:12: warning:
+B.hs:5:12: warning: [-Wtype-defaults]
• Defaulting the following constraints to type ‘Integer’
(Enum a0)
arising from the arithmetic sequence ‘1 .. 23 * 2’ at B.hs:5:12-20
@@ -28,5 +28,5 @@ B.hs:5:12: warning:
In the first argument of ‘(-)’, namely ‘length [1 .. 23 * 2]’
In the expression: length [1 .. 23 * 2] - 4
-A.hs:7:1: warning:
+A.hs:7:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: main :: IO ()
diff --git a/testsuite/tests/ghci/prog011/prog011.stderr b/testsuite/tests/ghci/prog011/prog011.stderr
index 6ee1facfdc..3fd600000f 100644
--- a/testsuite/tests/ghci/prog011/prog011.stderr
+++ b/testsuite/tests/ghci/prog011/prog011.stderr
@@ -1,2 +1,7 @@
-prog011.hx:14:22: Empty 'do' block
+<no location info>: error:
+ Could not find module ‘Control.Monad.State’
+ Perhaps you meant
+ Control.Monad.Fail (from base-4.9.0.0)
+ Control.Monad.ST (from base-4.9.0.0)
+ Control.Monad.ST.Safe (from base-4.9.0.0)
diff --git a/testsuite/tests/ghci/prog011/prog011.stdout b/testsuite/tests/ghci/prog011/prog011.stdout
index 5b3671f1f3..e69de29bb2 100644
--- a/testsuite/tests/ghci/prog011/prog011.stdout
+++ b/testsuite/tests/ghci/prog011/prog011.stdout
@@ -1,3 +0,0 @@
-10
-11
-"Hello"
diff --git a/testsuite/tests/ghci/scripts/T4316.stdout b/testsuite/tests/ghci/scripts/T4316.stdout
index 06891cb2df..7864137f6c 100644
--- a/testsuite/tests/ghci/scripts/T4316.stdout
+++ b/testsuite/tests/ghci/scripts/T4316.stdout
@@ -1,5 +1,3 @@
-Hello, World!
-11
3
"Hello, World!"
Pass
diff --git a/testsuite/tests/ghci/scripts/T5820.stderr b/testsuite/tests/ghci/scripts/T5820.stderr
index dc89a5fa9b..257f7e7229 100644
--- a/testsuite/tests/ghci/scripts/T5820.stderr
+++ b/testsuite/tests/ghci/scripts/T5820.stderr
@@ -1,5 +1,5 @@
-T5820.hs:3:10: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq Foo’
+T5820.hs:3:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq Foo’
diff --git a/testsuite/tests/ghci/scripts/T8353.stderr b/testsuite/tests/ghci/scripts/T8353.stderr
index 8914820a61..3690fd8a0e 100644
--- a/testsuite/tests/ghci/scripts/T8353.stderr
+++ b/testsuite/tests/ghci/scripts/T8353.stderr
@@ -4,7 +4,7 @@ Defer03.hs:4:5: warning:
• In the expression: 'p'
In an equation for ‘a’: a = 'p'
-Defer03.hs:7:5: warning:
+Defer03.hs:7:5: warning: [-Wtyped-holes]
• Found hole: _ :: Int
• In the expression: _
In an equation for ‘f’: f = _
@@ -26,7 +26,7 @@ Defer03.hs:4:5: warning:
• In the expression: 'p'
In an equation for ‘a’: a = 'p'
-Defer03.hs:7:5: warning:
+Defer03.hs:7:5: warning: [-Wtyped-holes]
• Found hole: _ :: Int
• In the expression: _
In an equation for ‘f’: f = _
@@ -48,7 +48,7 @@ Defer03.hs:4:5: warning:
• In the expression: 'p'
In an equation for ‘a’: a = 'p'
-Defer03.hs:7:5: warning:
+Defer03.hs:7:5: warning: [-Wtyped-holes]
• Found hole: _ :: Int
• In the expression: _
In an equation for ‘f’: f = _
diff --git a/testsuite/tests/ghci/scripts/ghci019.stderr b/testsuite/tests/ghci/scripts/ghci019.stderr
index aedf854e8a..c760b58479 100644
--- a/testsuite/tests/ghci/scripts/ghci019.stderr
+++ b/testsuite/tests/ghci/scripts/ghci019.stderr
@@ -1,5 +1,5 @@
-ghci019.hs:9:10: warning:
+ghci019.hs:9:10: warning: [-Wmissing-methods]
• No explicit implementation for
either ‘Prelude.==’ or ‘Prelude./=’
• In the instance declaration for ‘Prelude.Eq Foo’
diff --git a/testsuite/tests/haddock/haddock_examples/haddock.Test.stderr b/testsuite/tests/haddock/haddock_examples/haddock.Test.stderr
index 25225797d4..0c38760be6 100644
--- a/testsuite/tests/haddock/haddock_examples/haddock.Test.stderr
+++ b/testsuite/tests/haddock/haddock_examples/haddock.Test.stderr
@@ -186,10 +186,14 @@ m = undefined
-Test.hs:33:9: Warning: ‘p’ is exported by ‘p’ and ‘R(..)’
+Test.hs:33:9: warning: [-Wduplicate-exports]
+ ‘p’ is exported by ‘p’ and ‘R(..)’
-Test.hs:33:12: Warning: ‘q’ is exported by ‘q’ and ‘R(..)’
+Test.hs:33:12: warning: [-Wduplicate-exports]
+ ‘q’ is exported by ‘q’ and ‘R(..)’
-Test.hs:33:15: Warning: ‘u’ is exported by ‘u’ and ‘R(..)’
+Test.hs:33:15: warning: [-Wduplicate-exports]
+ ‘u’ is exported by ‘u’ and ‘R(..)’
-Test.hs:39:9: Warning: ‘a’ is exported by ‘a’ and ‘C(a, b)’
+Test.hs:39:9: warning: [-Wduplicate-exports]
+ ‘a’ is exported by ‘a’ and ‘C(a, b)’
diff --git a/testsuite/tests/indexed-types/should_compile/Class3.stderr b/testsuite/tests/indexed-types/should_compile/Class3.stderr
index 2616c2e3f5..9ded94fad8 100644
--- a/testsuite/tests/indexed-types/should_compile/Class3.stderr
+++ b/testsuite/tests/indexed-types/should_compile/Class3.stderr
@@ -1,5 +1,5 @@
-Class3.hs:7:10: Warning:
- No explicit implementation for
- ‘foo’
- In the instance declaration for ‘C ()’
+Class3.hs:7:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘foo’
+ • In the instance declaration for ‘C ()’
diff --git a/testsuite/tests/indexed-types/should_compile/Simple2.stderr b/testsuite/tests/indexed-types/should_compile/Simple2.stderr
index 11ea628034..d1b4c35bda 100644
--- a/testsuite/tests/indexed-types/should_compile/Simple2.stderr
+++ b/testsuite/tests/indexed-types/should_compile/Simple2.stderr
@@ -1,31 +1,31 @@
-Simple2.hs:21:1: Warning:
- No explicit associated type or default declaration for ‘S3n’
- In the instance declaration for ‘C3 Char’
+Simple2.hs:21:1: warning: [-Wmissing-methods]
+ • No explicit associated type or default declaration for ‘S3n’
+ • In the instance declaration for ‘C3 Char’
-Simple2.hs:21:10: Warning:
- No explicit implementation for
- ‘foo3n’ and ‘bar3n’
- In the instance declaration for ‘C3 Char’
+Simple2.hs:21:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘foo3n’ and ‘bar3n’
+ • In the instance declaration for ‘C3 Char’
-Simple2.hs:29:1: Warning:
- No explicit associated type or default declaration for ‘S3n’
- In the instance declaration for ‘C3 Bool’
+Simple2.hs:29:1: warning: [-Wmissing-methods]
+ • No explicit associated type or default declaration for ‘S3n’
+ • In the instance declaration for ‘C3 Bool’
-Simple2.hs:29:10: Warning:
- No explicit implementation for
- ‘foo3n’ and ‘bar3n’
- In the instance declaration for ‘C3 Bool’
+Simple2.hs:29:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘foo3n’ and ‘bar3n’
+ • In the instance declaration for ‘C3 Bool’
-Simple2.hs:39:1: Warning:
- No explicit associated type or default declaration for ‘S3’
- In the instance declaration for ‘C3 Float’
+Simple2.hs:39:1: warning: [-Wmissing-methods]
+ • No explicit associated type or default declaration for ‘S3’
+ • In the instance declaration for ‘C3 Float’
-Simple2.hs:39:1: Warning:
- No explicit associated type or default declaration for ‘S3n’
- In the instance declaration for ‘C3 Float’
+Simple2.hs:39:1: warning: [-Wmissing-methods]
+ • No explicit associated type or default declaration for ‘S3n’
+ • In the instance declaration for ‘C3 Float’
-Simple2.hs:39:10: Warning:
- No explicit implementation for
- ‘foo3n’ and ‘bar3n’
- In the instance declaration for ‘C3 Float’
+Simple2.hs:39:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘foo3n’ and ‘bar3n’
+ • In the instance declaration for ‘C3 Float’
diff --git a/testsuite/tests/indexed-types/should_compile/T3023.stderr b/testsuite/tests/indexed-types/should_compile/T3023.stderr
index 81afa91f60..b1add74f3f 100644
--- a/testsuite/tests/indexed-types/should_compile/T3023.stderr
+++ b/testsuite/tests/indexed-types/should_compile/T3023.stderr
@@ -1,3 +1,3 @@
-T3023.hs:18:1: Warning:
+T3023.hs:18:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: bar :: Bool -> Bool
diff --git a/testsuite/tests/indexed-types/should_compile/T8889.stderr b/testsuite/tests/indexed-types/should_compile/T8889.stderr
index 44cb453421..588725dbde 100644
--- a/testsuite/tests/indexed-types/should_compile/T8889.stderr
+++ b/testsuite/tests/indexed-types/should_compile/T8889.stderr
@@ -1,5 +1,5 @@
-T8889.hs:12:1: warning:
+T8889.hs:12:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
f :: forall (f :: * -> *) a b.
(C f, C_fmap f a) =>
diff --git a/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarnings.stderr b/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarnings.stderr
index 1bfced7943..b00589f4dc 100644
--- a/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarnings.stderr
+++ b/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarnings.stderr
@@ -1,15 +1,12 @@
-UnusedTyVarWarnings.hs:8:5: warning:
+
+UnusedTyVarWarnings.hs:8:5: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘b’
-UnusedTyVarWarnings.hs:11:18: warning:
+UnusedTyVarWarnings.hs:11:18: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘b’
-UnusedTyVarWarnings.hs:27:5: warning:
+UnusedTyVarWarnings.hs:27:5: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘a’
-UnusedTyVarWarnings.hs:33:17: warning:
+UnusedTyVarWarnings.hs:33:17: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘b’
-
-
-
-
diff --git a/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarningsNamedWCs.stderr b/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarningsNamedWCs.stderr
index c4895aaab8..249b22f85c 100644
--- a/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarningsNamedWCs.stderr
+++ b/testsuite/tests/indexed-types/should_compile/UnusedTyVarWarningsNamedWCs.stderr
@@ -1,12 +1,12 @@
-UnusedTyVarWarningsNamedWCs.hs:8:5: warning:
+
+UnusedTyVarWarningsNamedWCs.hs:8:5: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘b’
-UnusedTyVarWarningsNamedWCs.hs:11:18: warning:
+UnusedTyVarWarningsNamedWCs.hs:11:18: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘b’
-UnusedTyVarWarningsNamedWCs.hs:27:5: warning:
+UnusedTyVarWarningsNamedWCs.hs:27:5: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘a’
-UnusedTyVarWarningsNamedWCs.hs:33:17: warning:
+UnusedTyVarWarningsNamedWCs.hs:33:17: warning: [-Wunused-local-binds]
Defined but not used: type variable ‘b’
-
diff --git a/testsuite/tests/indexed-types/should_fail/T7862.stderr b/testsuite/tests/indexed-types/should_fail/T7862.stderr
index 5a14fc3480..37b0300bd1 100644
--- a/testsuite/tests/indexed-types/should_fail/T7862.stderr
+++ b/testsuite/tests/indexed-types/should_fail/T7862.stderr
@@ -1,7 +1,7 @@
-T7862.hs:23:10: Warning:
- No explicit implementation for
- ‘+’, ‘*’, ‘abs’, ‘signum’, ‘fromInteger’, and (either ‘negate’
- or
- ‘-’)
- In the instance declaration for ‘Num (Tower s a)’
+T7862.hs:23:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘+’, ‘*’, ‘abs’, ‘signum’, ‘fromInteger’, and (either ‘negate’
+ or
+ ‘-’)
+ • In the instance declaration for ‘Num (Tower s a)’
diff --git a/testsuite/tests/module/mod128.stderr b/testsuite/tests/module/mod128.stderr
index bfd02c6b8d..980a4fdc13 100644
--- a/testsuite/tests/module/mod128.stderr
+++ b/testsuite/tests/module/mod128.stderr
@@ -1,2 +1,3 @@
-Mod128_A.hs:2:19: Warning: ‘T’ is exported by ‘T(Con)’ and ‘T’
+Mod128_A.hs:2:19: warning: [-Wduplicate-exports]
+ ‘T’ is exported by ‘T(Con)’ and ‘T’
diff --git a/testsuite/tests/module/mod14.stderr b/testsuite/tests/module/mod14.stderr
index 682cbe3400..fcd7244fca 100644
--- a/testsuite/tests/module/mod14.stderr
+++ b/testsuite/tests/module/mod14.stderr
@@ -1,3 +1,3 @@
-mod14.hs:2:10: Warning:
+mod14.hs:2:10: warning: [-Wduplicate-exports]
‘m2’ is exported by ‘C(m1, m2, m2, m3)’ and ‘C(m1, m2, m2, m3)’
diff --git a/testsuite/tests/module/mod176.stderr b/testsuite/tests/module/mod176.stderr
index d69ba608f6..b0238e8dfe 100644
--- a/testsuite/tests/module/mod176.stderr
+++ b/testsuite/tests/module/mod176.stderr
@@ -1,4 +1,4 @@
-mod176.hs:4:1: Warning:
+mod176.hs:4:1: warning: [-Wunused-imports]
The import of ‘Monad, return’
from module ‘Control.Monad’ is redundant
diff --git a/testsuite/tests/module/mod177.stderr b/testsuite/tests/module/mod177.stderr
index d695eead60..514232b45c 100644
--- a/testsuite/tests/module/mod177.stderr
+++ b/testsuite/tests/module/mod177.stderr
@@ -1,5 +1,5 @@
-mod177.hs:5:1: warning:
+mod177.hs:5:1: warning: [-Wunused-imports]
The import of ‘Data.Maybe’ is redundant
except perhaps to import instances from ‘Data.Maybe’
To import instances alone, use: import Data.Maybe()
diff --git a/testsuite/tests/module/mod5.stderr b/testsuite/tests/module/mod5.stderr
index 07967f0e21..e0a070dc3e 100644
--- a/testsuite/tests/module/mod5.stderr
+++ b/testsuite/tests/module/mod5.stderr
@@ -1,3 +1,3 @@
-mod5.hs:2:10: Warning:
+mod5.hs:2:10: warning: [-Wduplicate-exports]
‘K1’ is exported by ‘T(K1, K1)’ and ‘T(K1, K1)’
diff --git a/testsuite/tests/module/mod89.stderr b/testsuite/tests/module/mod89.stderr
index 5b2f422455..9a73ea2ba3 100644
--- a/testsuite/tests/module/mod89.stderr
+++ b/testsuite/tests/module/mod89.stderr
@@ -1,10 +1,10 @@
-mod89.hs:5:1: warning:
+mod89.hs:5:1: warning: [-Wdodgy-imports]
The import item ‘map(..)’ suggests that
‘map’ has (in-scope) constructors or class methods,
but it has none
-mod89.hs:5:1: warning:
+mod89.hs:5:1: warning: [-Wunused-imports]
The import of ‘Prelude’ is redundant
except perhaps to import instances from ‘Prelude’
To import instances alone, use: import Prelude()
diff --git a/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.stderr b/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.stderr
index 9610f8971f..a39513a8f5 100644
--- a/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.stderr
+++ b/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.stderr
@@ -1,5 +1,5 @@
-MonadFailWarningsWithRebindableSyntax.hs:13:5: warning:
+MonadFailWarningsWithRebindableSyntax.hs:13:5: warning: [-Wmissing-monadfail-instances]
The failable pattern ‘Just x’
is used together with -XRebindableSyntax. If this is intentional,
compile with -Wno-missing-monadfail-instances.
diff --git a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail05.stderr b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail05.stderr
index 687d6d6eda..4080d23460 100644
--- a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail05.stderr
+++ b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail05.stderr
@@ -1,5 +1,5 @@
-overloadedrecfldsfail05.hs:7:16: warning:
+overloadedrecfldsfail05.hs:7:16: warning: [-Wunused-local-binds]
Defined but not used: ‘foo’
<no location info>: error:
diff --git a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail06.stderr b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail06.stderr
index 6a1b939a55..a062b0b410 100644
--- a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail06.stderr
+++ b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail06.stderr
@@ -1,29 +1,29 @@
[1 of 2] Compiling OverloadedRecFldsFail06_A ( OverloadedRecFldsFail06_A.hs, OverloadedRecFldsFail06_A.o )
-OverloadedRecFldsFail06_A.hs:9:15: warning:
+OverloadedRecFldsFail06_A.hs:9:15: warning: [-Wunused-local-binds]
Defined but not used: data constructor ‘MkUnused’
-OverloadedRecFldsFail06_A.hs:9:42: warning:
+OverloadedRecFldsFail06_A.hs:9:42: warning: [-Wunused-local-binds]
Defined but not used: ‘unused2’
-OverloadedRecFldsFail06_A.hs:9:59: warning:
+OverloadedRecFldsFail06_A.hs:9:59: warning: [-Wunused-local-binds]
Defined but not used: ‘used_locally’
[2 of 2] Compiling Main ( overloadedrecfldsfail06.hs, overloadedrecfldsfail06.o )
-overloadedrecfldsfail06.hs:7:1: warning:
+overloadedrecfldsfail06.hs:7:1: warning: [-Wunused-imports]
The import of ‘Unused(unused), V(x), U(y), MkV, Unused’
from module ‘OverloadedRecFldsFail06_A’ is redundant
-overloadedrecfldsfail06.hs:8:1: warning:
+overloadedrecfldsfail06.hs:8:1: warning: [-Wunused-imports]
The qualified import of ‘OverloadedRecFldsFail06_A’ is redundant
except perhaps to import instances from ‘OverloadedRecFldsFail06_A’
To import instances alone, use: import OverloadedRecFldsFail06_A()
-overloadedrecfldsfail06.hs:9:1: warning:
+overloadedrecfldsfail06.hs:9:1: warning: [-Wunused-imports]
The qualified import of ‘V(y)’
from module ‘OverloadedRecFldsFail06_A’ is redundant
-overloadedrecfldsfail06.hs:10:1: warning:
+overloadedrecfldsfail06.hs:10:1: warning: [-Wunused-imports]
The qualified import of ‘U(x), U’
from module ‘OverloadedRecFldsFail06_A’ is redundant
diff --git a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail11.stderr b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail11.stderr
index 771a46f10c..0ce0e1c405 100644
--- a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail11.stderr
+++ b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail11.stderr
@@ -1,9 +1,9 @@
[1 of 2] Compiling OverloadedRecFldsFail11_A ( OverloadedRecFldsFail11_A.hs, OverloadedRecFldsFail11_A.o )
[2 of 2] Compiling Main ( overloadedrecfldsfail11.hs, overloadedrecfldsfail11.o )
-overloadedrecfldsfail11.hs:5:15: warning:
+overloadedrecfldsfail11.hs:5:15: warning: [-Wdeprecations]
In the use of ‘foo’ (imported from OverloadedRecFldsFail11_A):
"Warning on a record field"
-<no location info>: error:
+<no location info>: error:
Failing due to -Werror.
diff --git a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail12.stderr b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail12.stderr
index f4a2f7bcfc..8648fbdda1 100644
--- a/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail12.stderr
+++ b/testsuite/tests/overloadedrecflds/should_fail/overloadedrecfldsfail12.stderr
@@ -1,15 +1,15 @@
[1 of 2] Compiling OverloadedRecFldsFail12_A ( OverloadedRecFldsFail12_A.hs, OverloadedRecFldsFail12_A.o )
[2 of 2] Compiling Main ( overloadedrecfldsfail12.hs, overloadedrecfldsfail12.o )
-overloadedrecfldsfail12.hs:10:11: warning:
+overloadedrecfldsfail12.hs:10:11: warning: [-Wdeprecations]
In the use of ‘foo’ (imported from OverloadedRecFldsFail12_A):
"Deprecated foo"
-overloadedrecfldsfail12.hs:10:20: warning:
+overloadedrecfldsfail12.hs:10:20: warning: [-Wdeprecations]
In the use of ‘bar’ (imported from OverloadedRecFldsFail12_A):
"Deprecated bar"
-overloadedrecfldsfail12.hs:13:5: warning:
+overloadedrecfldsfail12.hs:13:5: warning: [-Wdeprecations]
In the use of ‘foo’ (imported from OverloadedRecFldsFail12_A):
"Deprecated foo"
diff --git a/testsuite/tests/parser/should_compile/T2245.stderr b/testsuite/tests/parser/should_compile/T2245.stderr
index 783b751b34..5c3c8abfdc 100644
--- a/testsuite/tests/parser/should_compile/T2245.stderr
+++ b/testsuite/tests/parser/should_compile/T2245.stderr
@@ -1,17 +1,17 @@
-T2245.hs:4:10: warning:
+T2245.hs:4:10: warning: [-Wmissing-methods]
• No explicit implementation for
‘+’, ‘*’, ‘abs’, ‘signum’, ‘fromInteger’, and (either ‘negate’
or
‘-’)
• In the instance declaration for ‘Num T’
-T2245.hs:5:10: warning:
+T2245.hs:5:10: warning: [-Wmissing-methods]
• No explicit implementation for
‘fromRational’ and (either ‘recip’ or ‘/’)
• In the instance declaration for ‘Fractional T’
-T2245.hs:7:29: warning:
+T2245.hs:7:29: warning: [-Wtype-defaults]
• Defaulting the following constraints to type ‘T’
(Fractional a0)
arising from the literal ‘1e400’ at T2245.hs:7:29-33
diff --git a/testsuite/tests/parser/should_compile/T3303.stderr b/testsuite/tests/parser/should_compile/T3303.stderr
index a8d2f631cf..f46b945bbd 100644
--- a/testsuite/tests/parser/should_compile/T3303.stderr
+++ b/testsuite/tests/parser/should_compile/T3303.stderr
@@ -1,9 +1,9 @@
-T3303.hs:7:7: warning:
+T3303.hs:7:7: warning: [-Wdeprecations]
In the use of ‘foo’ (imported from T3303A):
Deprecated: "This is a multi-line
deprecation message
for foo"
-T3303.hs:10:8: warning:
+T3303.hs:10:8: warning: [-Wdeprecations]
In the use of ‘foo2’ (imported from T3303A): Deprecated: ""
diff --git a/testsuite/tests/parser/should_compile/read014.stderr b/testsuite/tests/parser/should_compile/read014.stderr
index 030b2c52de..f836c8d5f2 100644
--- a/testsuite/tests/parser/should_compile/read014.stderr
+++ b/testsuite/tests/parser/should_compile/read014.stderr
@@ -1,13 +1,15 @@
-read014.hs:4:1: warning:
+read014.hs:4:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
ng1 :: forall t a. Num a => t -> a -> a
-read014.hs:4:5: warning: Defined but not used: ‘x’
+read014.hs:4:5: warning: [-Wunused-local-binds]
+ Defined but not used: ‘x’
-read014.hs:6:10: warning:
+read014.hs:6:10: warning: [-Wmissing-methods]
• No explicit implementation for
‘+’, ‘*’, ‘abs’, ‘signum’, and ‘fromInteger’
• In the instance declaration for ‘Num (a, b)’
-read014.hs:8:53: warning: Defined but not used: ‘x’
+read014.hs:8:53: warning: [-Wunused-local-binds]
+ Defined but not used: ‘x’
diff --git a/testsuite/tests/partial-sigs/should_compile/ExprSigLocal.stderr b/testsuite/tests/partial-sigs/should_compile/ExprSigLocal.stderr
index 7e02028874..0b3e19be4f 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExprSigLocal.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExprSigLocal.stderr
@@ -1,5 +1,5 @@
-ExprSigLocal.hs:9:35: warning:
+ExprSigLocal.hs:9:35: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘a’
Where: ‘a’ is a rigid type variable bound by
the inferred type of <expression> :: a -> a at ExprSigLocal.hs:9:27
@@ -9,7 +9,7 @@ ExprSigLocal.hs:9:35: warning:
• Relevant bindings include
y :: b -> b (bound at ExprSigLocal.hs:9:1)
-ExprSigLocal.hs:11:21: warning:
+ExprSigLocal.hs:11:21: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘a’
Where: ‘a’ is a rigid type variable bound by
the inferred type of g :: a -> a at ExprSigLocal.hs:11:13
diff --git a/testsuite/tests/partial-sigs/should_compile/SplicesUsed.stderr b/testsuite/tests/partial-sigs/should_compile/SplicesUsed.stderr
index 333a78f97b..e330657e18 100644
--- a/testsuite/tests/partial-sigs/should_compile/SplicesUsed.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/SplicesUsed.stderr
@@ -1,14 +1,14 @@
[1 of 2] Compiling Splices ( Splices.hs, Splices.o )
[2 of 2] Compiling SplicesUsed ( SplicesUsed.hs, SplicesUsed.o )
-SplicesUsed.hs:7:16: warning:
+SplicesUsed.hs:7:16: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘Maybe Bool’
• In the type signature:
maybeBool :: _
• Relevant bindings include
maybeBool :: Maybe Bool (bound at SplicesUsed.hs:8:1)
-SplicesUsed.hs:8:15: warning:
+SplicesUsed.hs:8:15: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_a’ standing for ‘t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of <expression> :: t -> t at SplicesUsed.hs:8:15
@@ -18,7 +18,7 @@ SplicesUsed.hs:8:15: warning:
• Relevant bindings include
maybeBool :: Maybe Bool (bound at SplicesUsed.hs:8:1)
-SplicesUsed.hs:8:27: warning:
+SplicesUsed.hs:8:27: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘Bool’
• In an expression type signature: Maybe _
In the first argument of ‘id :: _a -> _a’, namely
@@ -27,7 +27,7 @@ SplicesUsed.hs:8:27: warning:
• Relevant bindings include
maybeBool :: Maybe Bool (bound at SplicesUsed.hs:8:1)
-SplicesUsed.hs:10:17: warning:
+SplicesUsed.hs:10:17: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘(Char, a)’
Where: ‘a’ is a rigid type variable bound by
the inferred type of charA :: a -> (Char, a)
@@ -37,7 +37,7 @@ SplicesUsed.hs:10:17: warning:
• Relevant bindings include
charA :: a -> (Char, a) (bound at SplicesUsed.hs:11:1)
-SplicesUsed.hs:13:14: warning:
+SplicesUsed.hs:13:14: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘a -> Bool’
Where: ‘a’ is a rigid type variable bound by
the inferred type of filter' :: (a -> Bool) -> [a] -> [a]
@@ -47,7 +47,7 @@ SplicesUsed.hs:13:14: warning:
• Relevant bindings include
filter' :: (a -> Bool) -> [a] -> [a] (bound at SplicesUsed.hs:14:1)
-SplicesUsed.hs:13:14: warning:
+SplicesUsed.hs:13:14: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘[a]’
Where: ‘a’ is a rigid type variable bound by
the inferred type of filter' :: (a -> Bool) -> [a] -> [a]
@@ -57,7 +57,7 @@ SplicesUsed.hs:13:14: warning:
• Relevant bindings include
filter' :: (a -> Bool) -> [a] -> [a] (bound at SplicesUsed.hs:14:1)
-SplicesUsed.hs:13:14: warning:
+SplicesUsed.hs:13:14: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘[a]’
Where: ‘a’ is a rigid type variable bound by
the inferred type of filter' :: (a -> Bool) -> [a] -> [a]
@@ -67,12 +67,12 @@ SplicesUsed.hs:13:14: warning:
• Relevant bindings include
filter' :: (a -> Bool) -> [a] -> [a] (bound at SplicesUsed.hs:14:1)
-SplicesUsed.hs:16:3: warning:
+SplicesUsed.hs:16:3: warning: [-Wpartial-type-signatures]
Found constraint wildcard ‘_’ standing for ‘Eq a’
In the type signature:
foo :: _ => _
-SplicesUsed.hs:16:3: warning:
+SplicesUsed.hs:16:3: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘a -> a -> Bool’
Where: ‘a’ is a rigid type variable bound by
the inferred type of foo :: Eq a => a -> a -> Bool
@@ -82,14 +82,14 @@ SplicesUsed.hs:16:3: warning:
• Relevant bindings include
foo :: a -> a -> Bool (bound at SplicesUsed.hs:16:3)
-SplicesUsed.hs:18:3: warning:
+SplicesUsed.hs:18:3: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_a’ standing for ‘Bool’
• In the type signature:
bar :: _a -> _b -> (_a, _b)
• Relevant bindings include
bar :: Bool -> t -> (Bool, t) (bound at SplicesUsed.hs:18:3)
-SplicesUsed.hs:18:3: warning:
+SplicesUsed.hs:18:3: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_b’ standing for ‘t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of bar :: Bool -> t -> (Bool, t)
diff --git a/testsuite/tests/partial-sigs/should_compile/T10403.stderr b/testsuite/tests/partial-sigs/should_compile/T10403.stderr
index 9cda918ae8..5c03acc974 100644
--- a/testsuite/tests/partial-sigs/should_compile/T10403.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/T10403.stderr
@@ -1,10 +1,10 @@
-T10403.hs:15:7: warning:
+T10403.hs:15:7: warning: [-Wpartial-type-signatures]
Found constraint wildcard ‘_’ standing for ‘Functor f’
In the type signature:
h1 :: _ => _
-T10403.hs:15:12: warning:
+T10403.hs:15:12: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘(a -> b) -> f a -> H f’
Where: ‘f’ is a rigid type variable bound by
the inferred type of h1 :: Functor f => (a -> b) -> f a -> H f
@@ -20,7 +20,7 @@ T10403.hs:15:12: warning:
• Relevant bindings include
h1 :: (a -> b) -> f a -> H f (bound at T10403.hs:17:1)
-T10403.hs:19:7: warning:
+T10403.hs:19:7: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘(a -> b) -> f0 a -> H f0’
Where: ‘f0’ is an ambiguous type variable
‘b’ is a rigid type variable bound by
diff --git a/testsuite/tests/partial-sigs/should_compile/T10438.stderr b/testsuite/tests/partial-sigs/should_compile/T10438.stderr
index d04fca208b..b373df4fb2 100644
--- a/testsuite/tests/partial-sigs/should_compile/T10438.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/T10438.stderr
@@ -1,5 +1,5 @@
-T10438.hs:7:22: warning:
+T10438.hs:7:22: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘t2’
Where: ‘t2’ is a rigid type variable bound by
the inferred type of g :: t2 -> t2 at T10438.hs:6:9
diff --git a/testsuite/tests/partial-sigs/should_compile/T10463.stderr b/testsuite/tests/partial-sigs/should_compile/T10463.stderr
index 9a3215e9fb..2392805feb 100644
--- a/testsuite/tests/partial-sigs/should_compile/T10463.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/T10463.stderr
@@ -1,8 +1,8 @@
-T10463.hs:5:9: warning:
- Found type wildcard ‘_’ standing for ‘[Char]’
- In a pattern type signature: _
- In the pattern: x :: _
- In an equation for ‘f’: f (x :: _) = x ++ ""
- Relevant bindings include
- f :: [Char] -> [Char] (bound at T10463.hs:5:1)
+T10463.hs:5:9: warning: [-Wpartial-type-signatures]
+ • Found type wildcard ‘_’ standing for ‘[Char]’
+ • In a pattern type signature: _
+ In the pattern: x :: _
+ In an equation for ‘f’: f (x :: _) = x ++ ""
+ • Relevant bindings include
+ f :: [Char] -> [Char] (bound at T10463.hs:5:1)
diff --git a/testsuite/tests/partial-sigs/should_compile/T10519.stderr b/testsuite/tests/partial-sigs/should_compile/T10519.stderr
index d34b06227a..948cdb3e9d 100644
--- a/testsuite/tests/partial-sigs/should_compile/T10519.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/T10519.stderr
@@ -1,5 +1,5 @@
-
-T10519.hs:5:18: warning:
- Found constraint wildcard ‘_’ standing for ‘Eq a’
- In the type signature:
- foo :: forall a. _ => a -> a -> Bool
+
+T10519.hs:5:18: warning: [-Wpartial-type-signatures]
+ Found constraint wildcard ‘_’ standing for ‘Eq a’
+ In the type signature:
+ foo :: forall a. _ => a -> a -> Bool
diff --git a/testsuite/tests/partial-sigs/should_compile/T11016.stderr b/testsuite/tests/partial-sigs/should_compile/T11016.stderr
index 74dd18d9bf..04ff608627 100644
--- a/testsuite/tests/partial-sigs/should_compile/T11016.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/T11016.stderr
@@ -1,10 +1,10 @@
-T11016.hs:5:19: warning:
+T11016.hs:5:19: warning: [-Wpartial-type-signatures]
Found constraint wildcard ‘_’ standing for ‘()’
In the type signature:
f1 :: (?x :: Int, _) => Int
-T11016.hs:8:22: warning:
+T11016.hs:8:22: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘Int’
• In the type signature:
f2 :: (?x :: Int) => _
diff --git a/testsuite/tests/partial-sigs/should_compile/T11192.stderr b/testsuite/tests/partial-sigs/should_compile/T11192.stderr
index f2892b7fae..d87f6a3d2f 100644
--- a/testsuite/tests/partial-sigs/should_compile/T11192.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/T11192.stderr
@@ -1,5 +1,5 @@
-T11192.hs:7:14: warning:
+T11192.hs:7:14: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘Int -> t -> t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of go :: Int -> t -> t at T11192.hs:8:8
@@ -20,7 +20,7 @@ T11192.hs:7:14: warning:
go :: Int -> t -> t (bound at T11192.hs:8:8)
fails :: a (bound at T11192.hs:6:1)
-T11192.hs:13:14: warning:
+T11192.hs:13:14: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘t1 -> t -> t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of go :: t1 -> t -> t at T11192.hs:14:8
diff --git a/testsuite/tests/partial-sigs/should_compile/TypedSplice.stderr b/testsuite/tests/partial-sigs/should_compile/TypedSplice.stderr
index 2f92c657f3..b44f9fcc30 100644
--- a/testsuite/tests/partial-sigs/should_compile/TypedSplice.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/TypedSplice.stderr
@@ -1,16 +1,16 @@
-TypedSplice.hs:9:22: warning:
- Found type wildcard ‘_’ standing for ‘Bool’
- In an expression type signature: _ -> _b
- In the Template Haskell quotation [|| not :: _ -> _b ||]
- In the expression: [|| not :: _ -> _b ||]
- Relevant bindings include
- metaExp :: Q (TExp (Bool -> Bool)) (bound at TypedSplice.hs:9:1)
+TypedSplice.hs:9:22: warning: [-Wpartial-type-signatures]
+ • Found type wildcard ‘_’ standing for ‘Bool’
+ • In an expression type signature: _ -> _b
+ In the Template Haskell quotation [|| not :: _ -> _b ||]
+ In the expression: [|| not :: _ -> _b ||]
+ • Relevant bindings include
+ metaExp :: Q (TExp (Bool -> Bool)) (bound at TypedSplice.hs:9:1)
-TypedSplice.hs:9:27: warning:
- Found type wildcard ‘_b’ standing for ‘Bool’
- In an expression type signature: _ -> _b
- In the Template Haskell quotation [|| not :: _ -> _b ||]
- In the expression: [|| not :: _ -> _b ||]
- Relevant bindings include
- metaExp :: Q (TExp (Bool -> Bool)) (bound at TypedSplice.hs:9:1)
+TypedSplice.hs:9:27: warning: [-Wpartial-type-signatures]
+ • Found type wildcard ‘_b’ standing for ‘Bool’
+ • In an expression type signature: _ -> _b
+ In the Template Haskell quotation [|| not :: _ -> _b ||]
+ In the expression: [|| not :: _ -> _b ||]
+ • Relevant bindings include
+ metaExp :: Q (TExp (Bool -> Bool)) (bound at TypedSplice.hs:9:1)
diff --git a/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr b/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr
index 3fd0860bb8..b96f03d72d 100644
--- a/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr
@@ -5,9 +5,9 @@ TYPE CONSTRUCTORS
COERCION AXIOMS
Dependent modules: []
Dependent packages: [base-4.9.0.0, ghc-prim-0.5.0.0,
- integer-gmp-1.0.0.0]
+ integer-gmp-1.0.0.1]
-WarningWildcardInstantiations.hs:5:14: warning:
+WarningWildcardInstantiations.hs:5:14: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_a’ standing for ‘a’
Where: ‘a’ is a rigid type variable bound by
the inferred type of foo :: (Show a, Enum a) => a -> String
@@ -17,19 +17,19 @@ WarningWildcardInstantiations.hs:5:14: warning:
• Relevant bindings include
foo :: a -> String (bound at WarningWildcardInstantiations.hs:6:1)
-WarningWildcardInstantiations.hs:5:18: warning:
+WarningWildcardInstantiations.hs:5:18: warning: [-Wpartial-type-signatures]
Found constraint wildcard ‘_’ standing for ‘Enum a’
In the type signature:
foo :: (Show _a, _) => _a -> _
-WarningWildcardInstantiations.hs:5:30: warning:
+WarningWildcardInstantiations.hs:5:30: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘String’
• In the type signature:
foo :: (Show _a, _) => _a -> _
• Relevant bindings include
foo :: a -> String (bound at WarningWildcardInstantiations.hs:6:1)
-WarningWildcardInstantiations.hs:8:8: warning:
+WarningWildcardInstantiations.hs:8:8: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘t1’
Where: ‘t1’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
@@ -40,7 +40,7 @@ WarningWildcardInstantiations.hs:8:8: warning:
bar :: t1 -> (t1 -> t) -> t
(bound at WarningWildcardInstantiations.hs:9:1)
-WarningWildcardInstantiations.hs:8:13: warning:
+WarningWildcardInstantiations.hs:8:13: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘t1 -> t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
@@ -54,7 +54,7 @@ WarningWildcardInstantiations.hs:8:13: warning:
bar :: t1 -> (t1 -> t) -> t
(bound at WarningWildcardInstantiations.hs:9:1)
-WarningWildcardInstantiations.hs:8:18: warning:
+WarningWildcardInstantiations.hs:8:18: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
diff --git a/testsuite/tests/partial-sigs/should_fail/Defaulting1MROff.stderr b/testsuite/tests/partial-sigs/should_fail/Defaulting1MROff.stderr
index 6cc4f94d2f..da0bb67778 100644
--- a/testsuite/tests/partial-sigs/should_fail/Defaulting1MROff.stderr
+++ b/testsuite/tests/partial-sigs/should_fail/Defaulting1MROff.stderr
@@ -1,5 +1,5 @@
-Defaulting1MROff.hs:7:10: warning:
+Defaulting1MROff.hs:7:10: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘Integer’
• In the type signature:
alpha :: _
diff --git a/testsuite/tests/partial-sigs/should_fail/T11122.stderr b/testsuite/tests/partial-sigs/should_fail/T11122.stderr
index 57a74f9e58..9902497355 100644
--- a/testsuite/tests/partial-sigs/should_fail/T11122.stderr
+++ b/testsuite/tests/partial-sigs/should_fail/T11122.stderr
@@ -1,5 +1,5 @@
-T11122.hs:19:18: warning:
+T11122.hs:19:18: warning: [-Wpartial-type-signatures]
• Found type wildcard ‘_’ standing for ‘Int’
• In the type signature:
parser :: Parser _
diff --git a/testsuite/tests/patsyn/should_compile/T11283.stderr b/testsuite/tests/patsyn/should_compile/T11283.stderr
index 86d8575224..0ac9ed56c1 100644
--- a/testsuite/tests/patsyn/should_compile/T11283.stderr
+++ b/testsuite/tests/patsyn/should_compile/T11283.stderr
@@ -1,5 +1,5 @@
-T11283.hs:6:5: warning:
+T11283.hs:6:5: warning: [-Wmissing-fields]
• Fields of ‘S’ not initialised: x
• In the expression: S {..}
In an equation for ‘e’: e = S {..}
diff --git a/testsuite/tests/patsyn/should_fail/T11053.stderr b/testsuite/tests/patsyn/should_fail/T11053.stderr
index 8bc6563e29..378b28a852 100644
--- a/testsuite/tests/patsyn/should_fail/T11053.stderr
+++ b/testsuite/tests/patsyn/should_fail/T11053.stderr
@@ -1,19 +1,19 @@
-T11053.hs:7:1: warning:
+T11053.hs:7:1: warning: [-Wmissing-pat-syn-signatures]
Top-level binding with no type signature: T :: Bool
-T11053.hs:9:1: warning:
+T11053.hs:9:1: warning: [-Wmissing-pat-syn-signatures]
Top-level binding with no type signature:
J :: forall t. t -> Maybe t
-T11053.hs:11:1: warning:
+T11053.hs:11:1: warning: [-Wmissing-pat-syn-signatures]
Top-level binding with no type signature:
J1 :: forall t. t -> Maybe t
-T11053.hs:13:1: warning:
+T11053.hs:13:1: warning: [-Wmissing-pat-syn-signatures]
Top-level binding with no type signature:
J2 :: forall t. t -> Maybe t
-T11053.hs:15:1: warning:
+T11053.hs:15:1: warning: [-Wmissing-pat-syn-signatures]
Top-level binding with no type signature:
J3 :: forall t. t -> Maybe t
diff --git a/testsuite/tests/rename/should_compile/T1789.stderr b/testsuite/tests/rename/should_compile/T1789.stderr
index e4057921d5..dc7f00360a 100644
--- a/testsuite/tests/rename/should_compile/T1789.stderr
+++ b/testsuite/tests/rename/should_compile/T1789.stderr
@@ -1,12 +1,12 @@
-T1789.hs:6:1: Warning:
+T1789.hs:6:1: warning: [-Wmissing-import-lists]
The module ‘Prelude’ does not have an explicit import list
-T1789.hs:7:1: Warning:
+T1789.hs:7:1: warning: [-Wmissing-import-lists]
The module ‘Data.Map’ does not have an explicit import list
-T1789.hs:9:1: Warning:
+T1789.hs:9:1: warning: [-Wmissing-import-lists]
The import item ‘Maybe(..)’ does not have an explicit import list
-T1789.hs:10:1: Warning:
+T1789.hs:10:1: warning: [-Wmissing-import-lists]
The module ‘Data.Maybe’ does not have an explicit import list
diff --git a/testsuite/tests/rename/should_compile/T17a.stderr b/testsuite/tests/rename/should_compile/T17a.stderr
index 308cabe23c..a193da2e84 100644
--- a/testsuite/tests/rename/should_compile/T17a.stderr
+++ b/testsuite/tests/rename/should_compile/T17a.stderr
@@ -1 +1,3 @@
- T17a.hs:8:1: Warning: Defined but not used: ‘top’ \ No newline at end of file
+
+T17a.hs:8:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘top’
diff --git a/testsuite/tests/rename/should_compile/T17b.stderr b/testsuite/tests/rename/should_compile/T17b.stderr
index 3291264463..0cb10c8cf4 100644
--- a/testsuite/tests/rename/should_compile/T17b.stderr
+++ b/testsuite/tests/rename/should_compile/T17b.stderr
@@ -1 +1,3 @@
- T17b.hs:17:12: Warning: Defined but not used: ‘local’ \ No newline at end of file
+
+T17b.hs:17:12: warning: [-Wunused-local-binds]
+ Defined but not used: ‘local’
diff --git a/testsuite/tests/rename/should_compile/T17c.stderr b/testsuite/tests/rename/should_compile/T17c.stderr
index bfab9f83da..31f0ea4c18 100644
--- a/testsuite/tests/rename/should_compile/T17c.stderr
+++ b/testsuite/tests/rename/should_compile/T17c.stderr
@@ -1 +1,3 @@
- T17c.hs:11:11: Warning: This pattern-binding binds no variables: True = True \ No newline at end of file
+
+T17c.hs:11:11: warning: [-Wunused-pattern-binds]
+ This pattern-binding binds no variables: True = True
diff --git a/testsuite/tests/rename/should_compile/T17d.stderr b/testsuite/tests/rename/should_compile/T17d.stderr
index babe6b780e..aabc3e8d0b 100644
--- a/testsuite/tests/rename/should_compile/T17d.stderr
+++ b/testsuite/tests/rename/should_compile/T17d.stderr
@@ -1 +1,3 @@
- T17d.hs:14:5: Warning: Defined but not used: ‘match’ \ No newline at end of file
+
+T17d.hs:14:5: warning: [-Wunused-local-binds]
+ Defined but not used: ‘match’
diff --git a/testsuite/tests/rename/should_compile/T17e.stderr b/testsuite/tests/rename/should_compile/T17e.stderr
index 48f28b8db4..d728cf28ae 100644
--- a/testsuite/tests/rename/should_compile/T17e.stderr
+++ b/testsuite/tests/rename/should_compile/T17e.stderr
@@ -1,7 +1,9 @@
-T17e.hs:8:1: Warning: Defined but not used: ‘top’
+T17e.hs:8:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘top’
-T17e.hs:11:11: Warning:
+T17e.hs:11:11: warning: [-Wunused-pattern-binds]
This pattern-binding binds no variables: True = True
-T17e.hs:17:12: Warning: Defined but not used: ‘local’
+T17e.hs:17:12: warning: [-Wunused-local-binds]
+ Defined but not used: ‘local’
diff --git a/testsuite/tests/rename/should_compile/T1972.stderr b/testsuite/tests/rename/should_compile/T1972.stderr
index e19b08eece..6ee8a55c1b 100644
--- a/testsuite/tests/rename/should_compile/T1972.stderr
+++ b/testsuite/tests/rename/should_compile/T1972.stderr
@@ -1,12 +1,13 @@
-
-T1972.hs:12:3: warning:
- This binding for ‘name’ shadows the existing binding
- defined at T1972.hs:9:19
-
-T1972.hs:14:3: warning:
- This binding for ‘mapAccumL’ shadows the existing bindings
- imported from ‘Data.List’ at T1972.hs:7:1-16
- (and originally defined in ‘Data.Traversable’)
- defined at T1972.hs:16:1
-
-T1972.hs:20:10: warning: Defined but not used: ‘c’
+
+T1972.hs:12:3: warning: [-Wname-shadowing]
+ This binding for ‘name’ shadows the existing binding
+ defined at T1972.hs:9:19
+
+T1972.hs:14:3: warning: [-Wname-shadowing]
+ This binding for ‘mapAccumL’ shadows the existing bindings
+ imported from ‘Data.List’ at T1972.hs:7:1-16
+ (and originally defined in ‘Data.Traversable’)
+ defined at T1972.hs:16:1
+
+T1972.hs:20:10: warning: [-Wunused-local-binds]
+ Defined but not used: ‘c’
diff --git a/testsuite/tests/rename/should_compile/T3262.stderr b/testsuite/tests/rename/should_compile/T3262.stderr
index 0639076dc0..98e4466d65 100644
--- a/testsuite/tests/rename/should_compile/T3262.stderr
+++ b/testsuite/tests/rename/should_compile/T3262.stderr
@@ -1,8 +1,8 @@
-T3262.hs:12:11: Warning:
+T3262.hs:12:11: warning: [-Wname-shadowing]
This binding for ‘not_ignored’ shadows the existing binding
bound at T3262.hs:11:11
-T3262.hs:20:15: Warning:
+T3262.hs:20:15: warning: [-Wname-shadowing]
This binding for ‘not_ignored’ shadows the existing binding
bound at T3262.hs:19:15
diff --git a/testsuite/tests/rename/should_compile/T3371.stderr b/testsuite/tests/rename/should_compile/T3371.stderr
index 20a597fd3e..06f239b0c8 100644
--- a/testsuite/tests/rename/should_compile/T3371.stderr
+++ b/testsuite/tests/rename/should_compile/T3371.stderr
@@ -1,2 +1,3 @@
-T3371.hs:10:14: Warning: Defined but not used: ‘a’
+T3371.hs:10:14: warning: [-Wunused-local-binds]
+ Defined but not used: ‘a’
diff --git a/testsuite/tests/rename/should_compile/T3449.stderr b/testsuite/tests/rename/should_compile/T3449.stderr
index bfb0021140..2b720e8252 100644
--- a/testsuite/tests/rename/should_compile/T3449.stderr
+++ b/testsuite/tests/rename/should_compile/T3449.stderr
@@ -1,2 +1,3 @@
-T3449.hs-boot:8:1: Warning: Defined but not used: ‘unused’
+T3449.hs-boot:8:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘unused’
diff --git a/testsuite/tests/rename/should_compile/T4489.stderr b/testsuite/tests/rename/should_compile/T4489.stderr
index 2e7f9186a8..abb6438745 100644
--- a/testsuite/tests/rename/should_compile/T4489.stderr
+++ b/testsuite/tests/rename/should_compile/T4489.stderr
@@ -1,6 +1,6 @@
-T4489.hs:4:1: Warning:
+T4489.hs:4:1: warning: [-Wmissing-import-lists]
The module ‘Data.Maybe’ does not have an explicit import list
-T4489.hs:5:1: Warning:
+T4489.hs:5:1: warning: [-Wmissing-import-lists]
The import item ‘Maybe(..)’ does not have an explicit import list
diff --git a/testsuite/tests/rename/should_compile/T5331.stderr b/testsuite/tests/rename/should_compile/T5331.stderr
index 965e15a9b4..9fd3a7d8dd 100644
--- a/testsuite/tests/rename/should_compile/T5331.stderr
+++ b/testsuite/tests/rename/should_compile/T5331.stderr
@@ -1,12 +1,12 @@
-
-T5331.hs:8:17: warning:
- Unused quantified type variable ‘a’
- In the definition of data constructor ‘S1’
-
-T5331.hs:11:16: warning:
- Unused quantified type variable ‘a’
- In the type ‘forall a. W’
-
-T5331.hs:13:13: warning:
- Unused quantified type variable ‘a’
- In the type ‘forall a. Int’
+
+T5331.hs:8:17: warning: [-Wunused-foralls]
+ Unused quantified type variable ‘a’
+ In the definition of data constructor ‘S1’
+
+T5331.hs:11:16: warning: [-Wunused-foralls]
+ Unused quantified type variable ‘a’
+ In the type ‘forall a. W’
+
+T5331.hs:13:13: warning: [-Wunused-foralls]
+ Unused quantified type variable ‘a’
+ In the type ‘forall a. Int’
diff --git a/testsuite/tests/rename/should_compile/T5334.stderr b/testsuite/tests/rename/should_compile/T5334.stderr
index 866eae20fc..fd529ec979 100644
--- a/testsuite/tests/rename/should_compile/T5334.stderr
+++ b/testsuite/tests/rename/should_compile/T5334.stderr
@@ -1,13 +1,13 @@
-T5334.hs:7:5: Warning:
- Fields of ‘T’ not initialised: b
- In the expression: T {..}
- In an equation for ‘t’:
- t = T {..}
- where
- a = 1
+T5334.hs:7:5: warning: [-Wmissing-fields]
+ • Fields of ‘T’ not initialised: b
+ • In the expression: T {..}
+ In an equation for ‘t’:
+ t = T {..}
+ where
+ a = 1
-T5334.hs:14:5: Warning:
- Fields of ‘S’ not initialised: y
- In the expression: S {x = 1}
- In an equation for ‘s’: s = S {x = 1}
+T5334.hs:14:5: warning: [-Wmissing-fields]
+ • Fields of ‘S’ not initialised: y
+ • In the expression: S {x = 1}
+ In an equation for ‘s’: s = S {x = 1}
diff --git a/testsuite/tests/rename/should_compile/T5867.stderr b/testsuite/tests/rename/should_compile/T5867.stderr
index b347240a9e..ebb567b956 100644
--- a/testsuite/tests/rename/should_compile/T5867.stderr
+++ b/testsuite/tests/rename/should_compile/T5867.stderr
@@ -1,8 +1,8 @@
-T5867.hs:4:7: Warning:
+T5867.hs:4:7: warning: [-Wdeprecations]
In the use of ‘f’ (imported from T5867a):
Deprecated: "Don't use f!"
-T5867.hs:5:7: Warning:
+T5867.hs:5:7: warning: [-Wdeprecations]
In the use of ‘f’ (imported from T5867a):
Deprecated: "Don't use f!"
diff --git a/testsuite/tests/rename/should_compile/T7085.stderr b/testsuite/tests/rename/should_compile/T7085.stderr
index b642ed6a44..c9e6fec772 100644
--- a/testsuite/tests/rename/should_compile/T7085.stderr
+++ b/testsuite/tests/rename/should_compile/T7085.stderr
@@ -1,3 +1,3 @@
-T7085.hs:8:6: Warning:
+T7085.hs:8:6: warning: [-Wunused-pattern-binds]
This pattern-binding binds no variables: Nothing = Just n
diff --git a/testsuite/tests/rename/should_compile/T7145b.stderr b/testsuite/tests/rename/should_compile/T7145b.stderr
index ed2333e8c4..b18a8fa405 100644
--- a/testsuite/tests/rename/should_compile/T7145b.stderr
+++ b/testsuite/tests/rename/should_compile/T7145b.stderr
@@ -1,2 +1,3 @@
-T7145b.hs:7:1: Warning: Defined but not used: ‘pure’
+T7145b.hs:7:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘pure’
diff --git a/testsuite/tests/rename/should_compile/T7167.stderr b/testsuite/tests/rename/should_compile/T7167.stderr
index ecad80cfd2..40eccd4920 100644
--- a/testsuite/tests/rename/should_compile/T7167.stderr
+++ b/testsuite/tests/rename/should_compile/T7167.stderr
@@ -1,2 +1,3 @@
-T7167.hs:5:1: Warning: Module ‘Data.List’ does not export ‘foo’
+T7167.hs:5:1: warning: [-Wdodgy-imports]
+ Module ‘Data.List’ does not export ‘foo’
diff --git a/testsuite/tests/rename/should_compile/T9778.stderr b/testsuite/tests/rename/should_compile/T9778.stderr
index 3d2e40fce4..284d587fae 100644
--- a/testsuite/tests/rename/should_compile/T9778.stderr
+++ b/testsuite/tests/rename/should_compile/T9778.stderr
@@ -1,3 +1,4 @@
- T9778.hs:8:10: Warning:
- Unticked promoted constructor: ‘A’.
- Use ‘'A’ instead of ‘A’.
+
+T9778.hs:8:10: warning: [-Wunticked-promoted-constructors]
+ Unticked promoted constructor: ‘A’.
+ Use ‘'A’ instead of ‘A’.
diff --git a/testsuite/tests/rename/should_compile/mc10.stderr b/testsuite/tests/rename/should_compile/mc10.stderr
index b0d32552b4..1b6c9d3fe1 100644
--- a/testsuite/tests/rename/should_compile/mc10.stderr
+++ b/testsuite/tests/rename/should_compile/mc10.stderr
@@ -1,2 +1,3 @@
-mc10.hs:14:11: Warning: Defined but not used: ‘y’
+mc10.hs:14:11: warning: [-Wunused-local-binds]
+ Defined but not used: ‘y’
diff --git a/testsuite/tests/rename/should_compile/rn037.stderr b/testsuite/tests/rename/should_compile/rn037.stderr
index 8dea678d42..79eacabca5 100644
--- a/testsuite/tests/rename/should_compile/rn037.stderr
+++ b/testsuite/tests/rename/should_compile/rn037.stderr
@@ -1,5 +1,5 @@
-rn037.hs:3:1: Warning:
+rn037.hs:3:1: warning: [-Wunused-imports]
The import of ‘Data.List’ is redundant
except perhaps to import instances from ‘Data.List’
To import instances alone, use: import Data.List()
diff --git a/testsuite/tests/rename/should_compile/rn039.stderr b/testsuite/tests/rename/should_compile/rn039.stderr
index de8618d5f0..fbde7ce5ec 100644
--- a/testsuite/tests/rename/should_compile/rn039.stderr
+++ b/testsuite/tests/rename/should_compile/rn039.stderr
@@ -1,5 +1,5 @@
-rn039.hs:6:16: Warning:
+rn039.hs:6:16: warning: [-Wname-shadowing]
This binding for ‘-’ shadows the existing binding
imported from ‘Prelude’ at rn039.hs:2:8-20
(and originally defined in ‘GHC.Num’)
diff --git a/testsuite/tests/rename/should_compile/rn040.stderr b/testsuite/tests/rename/should_compile/rn040.stderr
index f482b47511..8c701d6183 100644
--- a/testsuite/tests/rename/should_compile/rn040.stderr
+++ b/testsuite/tests/rename/should_compile/rn040.stderr
@@ -1,4 +1,6 @@
-rn040.hs:6:12: Warning: Defined but not used: ‘y’
+rn040.hs:6:12: warning: [-Wunused-local-binds]
+ Defined but not used: ‘y’
-rn040.hs:8:8: Warning: Defined but not used: ‘w’
+rn040.hs:8:8: warning: [-Wunused-local-binds]
+ Defined but not used: ‘w’
diff --git a/testsuite/tests/rename/should_compile/rn041.stderr b/testsuite/tests/rename/should_compile/rn041.stderr
index e9c2727742..e1c111890e 100644
--- a/testsuite/tests/rename/should_compile/rn041.stderr
+++ b/testsuite/tests/rename/should_compile/rn041.stderr
@@ -1,6 +1,9 @@
-rn041.hs:7:1: Warning: Defined but not used: ‘f’
+rn041.hs:7:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘f’
-rn041.hs:9:1: Warning: Defined but not used: ‘g’
+rn041.hs:9:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘g’
-rn041.hs:10:1: Warning: Defined but not used: ‘h’
+rn041.hs:10:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘h’
diff --git a/testsuite/tests/rename/should_compile/rn046.stderr b/testsuite/tests/rename/should_compile/rn046.stderr
index c2a4195287..46cfd3bb36 100644
--- a/testsuite/tests/rename/should_compile/rn046.stderr
+++ b/testsuite/tests/rename/should_compile/rn046.stderr
@@ -1,8 +1,8 @@
-rn046.hs:2:1: Warning:
+rn046.hs:2:1: warning: [-Wunused-imports]
The import of ‘Data.List’ is redundant
except perhaps to import instances from ‘Data.List’
To import instances alone, use: import Data.List()
-rn046.hs:3:1: Warning:
+rn046.hs:3:1: warning: [-Wunused-imports]
The import of ‘ord’ from module ‘Data.Char’ is redundant
diff --git a/testsuite/tests/rename/should_compile/rn047.stderr b/testsuite/tests/rename/should_compile/rn047.stderr
index 0987f356fa..18b20089db 100644
--- a/testsuite/tests/rename/should_compile/rn047.stderr
+++ b/testsuite/tests/rename/should_compile/rn047.stderr
@@ -1,2 +1,3 @@
-rn047.hs:12:11: Warning: Defined but not used: ‘y’
+rn047.hs:12:11: warning: [-Wunused-local-binds]
+ Defined but not used: ‘y’
diff --git a/testsuite/tests/rename/should_compile/rn050.stderr b/testsuite/tests/rename/should_compile/rn050.stderr
index 472333ed57..a48cdcf9f1 100644
--- a/testsuite/tests/rename/should_compile/rn050.stderr
+++ b/testsuite/tests/rename/should_compile/rn050.stderr
@@ -1,8 +1,8 @@
-rn050.hs:13:7: Warning:
+rn050.hs:13:7: warning: [-Wdeprecations]
In the use of ‘op’ (imported from Rn050_A):
Deprecated: "Use bop instead"
-rn050.hs:13:10: Warning:
+rn050.hs:13:10: warning: [-Wdeprecations]
In the use of data constructor ‘C’ (imported from Rn050_A):
Deprecated: "Use D instead"
diff --git a/testsuite/tests/rename/should_compile/rn055.stderr b/testsuite/tests/rename/should_compile/rn055.stderr
index 1b928b46cf..93c74ff6a8 100644
--- a/testsuite/tests/rename/should_compile/rn055.stderr
+++ b/testsuite/tests/rename/should_compile/rn055.stderr
@@ -1,2 +1,3 @@
-rn055.hs:1:1: Warning: Module `Prelude' implicitly imported
+rn055.hs:1:1: warning: [-Wimplicit-prelude]
+ Module `Prelude' implicitly imported
diff --git a/testsuite/tests/rename/should_compile/rn063.stderr b/testsuite/tests/rename/should_compile/rn063.stderr
index 93cd8654f3..7f61d317bf 100644
--- a/testsuite/tests/rename/should_compile/rn063.stderr
+++ b/testsuite/tests/rename/should_compile/rn063.stderr
@@ -1,4 +1,6 @@
-rn063.hs:10:9: Warning: Defined but not used: ‘x’
+rn063.hs:10:9: warning: [-Wunused-local-binds]
+ Defined but not used: ‘x’
-rn063.hs:13:9: Warning: Defined but not used: ‘y’
+rn063.hs:13:9: warning: [-Wunused-local-binds]
+ Defined but not used: ‘y’
diff --git a/testsuite/tests/rename/should_compile/rn064.stderr b/testsuite/tests/rename/should_compile/rn064.stderr
index 09d95871de..3aae0d4e40 100644
--- a/testsuite/tests/rename/should_compile/rn064.stderr
+++ b/testsuite/tests/rename/should_compile/rn064.stderr
@@ -1,4 +1,4 @@
-rn064.hs:13:12: Warning:
+rn064.hs:13:12: warning: [-Wname-shadowing]
This binding for ‘r’ shadows the existing binding
bound at rn064.hs:15:9
diff --git a/testsuite/tests/rename/should_compile/rn066.stderr b/testsuite/tests/rename/should_compile/rn066.stderr
index b82b50fcdb..9de23a4339 100644
--- a/testsuite/tests/rename/should_compile/rn066.stderr
+++ b/testsuite/tests/rename/should_compile/rn066.stderr
@@ -1,8 +1,8 @@
-rn066.hs:13:7: Warning:
+rn066.hs:13:7: warning: [-Wdeprecations]
In the use of ‘op’ (imported from Rn066_A):
"Is that really a good idea?"
-rn066.hs:13:10: Warning:
+rn066.hs:13:10: warning: [-Wdeprecations]
In the use of data constructor ‘C’ (imported from Rn066_A):
"Are you sure you want to do that?"
diff --git a/testsuite/tests/rename/should_fail/T2723.stderr b/testsuite/tests/rename/should_fail/T2723.stderr
index 66b2deef47..acdcf06c7d 100644
--- a/testsuite/tests/rename/should_fail/T2723.stderr
+++ b/testsuite/tests/rename/should_fail/T2723.stderr
@@ -1,4 +1,4 @@
-T2723.hs:15:5: Warning:
+T2723.hs:15:5: warning: [-Wname-shadowing]
This binding for ‘field3’ shadows the existing binding
defined at T2723.hs:7:1
diff --git a/testsuite/tests/rename/should_fail/T5211.stderr b/testsuite/tests/rename/should_fail/T5211.stderr
index 2a736dbdaa..bb88d4e2e8 100644
--- a/testsuite/tests/rename/should_fail/T5211.stderr
+++ b/testsuite/tests/rename/should_fail/T5211.stderr
@@ -1,5 +1,5 @@
-T5211.hs:5:1: Warning:
+T5211.hs:5:1: warning: [-Wunused-imports]
The qualified import of ‘Foreign.Storable’ is redundant
except perhaps to import instances from ‘Foreign.Storable’
To import instances alone, use: import Foreign.Storable()
diff --git a/testsuite/tests/rename/should_fail/T5281.stderr b/testsuite/tests/rename/should_fail/T5281.stderr
index d8bcc8f787..6104a09c16 100644
--- a/testsuite/tests/rename/should_fail/T5281.stderr
+++ b/testsuite/tests/rename/should_fail/T5281.stderr
@@ -1,4 +1,4 @@
-T5281.hs:6:5: Warning:
+T5281.hs:6:5: warning: [-Wdeprecations]
In the use of ‘deprec’ (imported from T5281A):
Deprecated: "This is deprecated"
diff --git a/testsuite/tests/rename/should_fail/T5892a.stderr b/testsuite/tests/rename/should_fail/T5892a.stderr
index f382cd3811..bad197eeea 100644
--- a/testsuite/tests/rename/should_fail/T5892a.stderr
+++ b/testsuite/tests/rename/should_fail/T5892a.stderr
@@ -1,10 +1,10 @@
-T5892a.hs:12:8: Warning:
- Fields of ‘Node’ not initialised: subForest
- In the expression: Node {..}
- In the expression: let rootLabel = [] in Node {..}
- In an equation for ‘foo’:
- foo (Node {..}) = let rootLabel = ... in Node {..}
+T5892a.hs:12:8: warning: [-Wmissing-fields]
+ • Fields of ‘Node’ not initialised: subForest
+ • In the expression: Node {..}
+ In the expression: let rootLabel = [] in Node {..}
+ In an equation for ‘foo’:
+ foo (Node {..}) = let rootLabel = ... in Node {..}
-<no location info>:
+<no location info>: error:
Failing due to -Werror.
diff --git a/testsuite/tests/rename/should_fail/T7454.stderr b/testsuite/tests/rename/should_fail/T7454.stderr
index 9f8998591a..6334534e12 100644
--- a/testsuite/tests/rename/should_fail/T7454.stderr
+++ b/testsuite/tests/rename/should_fail/T7454.stderr
@@ -1,3 +1,3 @@
-T7454.hs:5:1: Warning:
+T7454.hs:5:1: warning: [-Wunused-imports]
The import of ‘Arrow’ from module ‘Control.Arrow’ is redundant
diff --git a/testsuite/tests/rename/should_fail/T8149.stderr b/testsuite/tests/rename/should_fail/T8149.stderr
index 1bb7f0dc9d..e2c5892f7f 100644
--- a/testsuite/tests/rename/should_fail/T8149.stderr
+++ b/testsuite/tests/rename/should_fail/T8149.stderr
@@ -1,4 +1,4 @@
-T8149.hs:5:1: Warning:
+T8149.hs:5:1: warning: [-Wunused-imports]
The import of ‘WriterT’
from module ‘Control.Monad.Trans.Writer’ is redundant
diff --git a/testsuite/tests/semigroup/SemigroupWarnings.stderr b/testsuite/tests/semigroup/SemigroupWarnings.stderr
index 2c75819cf8..3bc3fc2120 100644
--- a/testsuite/tests/semigroup/SemigroupWarnings.stderr
+++ b/testsuite/tests/semigroup/SemigroupWarnings.stderr
@@ -1,8 +1,8 @@
-SemigroupWarnings.hs:17:10: warning:
+SemigroupWarnings.hs:17:10: warning: [-Wsemigroup]
‘LacksSemigroup’ is an instance of Monoid but not Semigroup.
This will become an error in a future release.
-SemigroupWarnings.hs:34:1: warning:
+SemigroupWarnings.hs:34:1: warning: [-Wsemigroup]
Local definition of ‘<>’ clashes with a future Prelude name.
This will become an error in a future release.
diff --git a/testsuite/tests/simplCore/should_compile/simpl020.stderr b/testsuite/tests/simplCore/should_compile/simpl020.stderr
index fbf8da1a5d..f98d6849d0 100644
--- a/testsuite/tests/simplCore/should_compile/simpl020.stderr
+++ b/testsuite/tests/simplCore/should_compile/simpl020.stderr
@@ -1,5 +1,5 @@
-
-Simpl020_A.hs:26:10: Warning:
- No explicit implementation for
- ‘toGUIObject’ and ‘cset’
- In the instance declaration for ‘GUIObject ()’
+
+Simpl020_A.hs:26:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘toGUIObject’ and ‘cset’
+ • In the instance declaration for ‘GUIObject ()’
diff --git a/testsuite/tests/typecheck/prog001/typecheck.prog001.stderr b/testsuite/tests/typecheck/prog001/typecheck.prog001.stderr
index 70e210fa3e..6c9404640a 100644
--- a/testsuite/tests/typecheck/prog001/typecheck.prog001.stderr
+++ b/testsuite/tests/typecheck/prog001/typecheck.prog001.stderr
@@ -1,5 +1,5 @@
-B.hs:7:10: Warning:
- No explicit implementation for
- ‘row’
- In the instance declaration for ‘Matrix Bool Val’
+B.hs:7:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘row’
+ • In the instance declaration for ‘Matrix Bool Val’
diff --git a/testsuite/tests/typecheck/should_compile/HasKey.stderr b/testsuite/tests/typecheck/should_compile/HasKey.stderr
index dd4d290cda..39aabfeefc 100644
--- a/testsuite/tests/typecheck/should_compile/HasKey.stderr
+++ b/testsuite/tests/typecheck/should_compile/HasKey.stderr
@@ -1,5 +1,5 @@
-HasKey.hs:22:10: Warning:
- No explicit implementation for
- either ‘compare’ or ‘<=’
- In the instance declaration for ‘Ord (Keyed x)’
+HasKey.hs:22:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘compare’ or ‘<=’
+ • In the instance declaration for ‘Ord (Keyed x)’
diff --git a/testsuite/tests/typecheck/should_compile/T10935.stderr b/testsuite/tests/typecheck/should_compile/T10935.stderr
index 2279cfc90b..b8db0fb4bd 100644
--- a/testsuite/tests/typecheck/should_compile/T10935.stderr
+++ b/testsuite/tests/typecheck/should_compile/T10935.stderr
@@ -1,6 +1,6 @@
-T10935.hs:5:11: warning:
- The Monomorphism Restriction applies to the binding for ‘y’
- Consider giving a type signature for ‘y’
- In the expression: let y = x + 1 in (y, y)
- In an equation for ‘f’: f x = let y = x + 1 in (y, y)
+T10935.hs:5:11: warning: [-Wmonomorphism-restriction]
+ • The Monomorphism Restriction applies to the binding for ‘y’
+ Consider giving a type signature for ‘y’
+ • In the expression: let y = x + 1 in (y, y)
+ In an equation for ‘f’: f x = let y = x + 1 in (y, y)
diff --git a/testsuite/tests/typecheck/should_compile/T10971a.stderr b/testsuite/tests/typecheck/should_compile/T10971a.stderr
index eea8a11ea3..ea455b5fd9 100644
--- a/testsuite/tests/typecheck/should_compile/T10971a.stderr
+++ b/testsuite/tests/typecheck/should_compile/T10971a.stderr
@@ -1,38 +1,38 @@
-T10971a.hs:7:1: warning:
+T10971a.hs:7:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: f :: forall a. [a] -> Int
-T10971a.hs:7:11: warning:
+T10971a.hs:7:11: warning: [-Wtype-defaults]
• Defaulting the following constraint to type ‘[]’
Foldable t0 arising from a use of ‘length’
• In the expression: length x
In the expression: \ x -> length x
In an equation for ‘f’: f = \ x -> length x
-T10971a.hs:8:1: warning:
+T10971a.hs:8:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
g :: forall a b. (a -> b) -> [a] -> [b]
-T10971a.hs:8:6: warning:
+T10971a.hs:8:6: warning: [-Wname-shadowing]
This binding for ‘f’ shadows the existing binding
defined at T10971a.hs:7:1
-T10971a.hs:8:13: warning:
+T10971a.hs:8:13: warning: [-Wtype-defaults]
• Defaulting the following constraint to type ‘[]’
Traversable t0 arising from a use of ‘fmapDefault’
• In the expression: fmapDefault f x
In the expression: \ f x -> fmapDefault f x
In an equation for ‘g’: g = \ f x -> fmapDefault f x
-T10971a.hs:9:1: warning:
+T10971a.hs:9:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature:
h :: forall b a. (a -> b) -> [a] -> ([b], Int)
-T10971a.hs:9:6: warning:
+T10971a.hs:9:6: warning: [-Wname-shadowing]
This binding for ‘f’ shadows the existing binding
defined at T10971a.hs:7:1
-T10971a.hs:9:31: warning:
+T10971a.hs:9:31: warning: [-Wtype-defaults]
• Defaulting the following constraints to type ‘[]’
(Foldable t0) arising from a use of ‘length’ at T10971a.hs:9:31-38
(Traversable t0)
diff --git a/testsuite/tests/typecheck/should_compile/T2497.stderr b/testsuite/tests/typecheck/should_compile/T2497.stderr
index da730a05aa..2aa1f4d68a 100644
--- a/testsuite/tests/typecheck/should_compile/T2497.stderr
+++ b/testsuite/tests/typecheck/should_compile/T2497.stderr
@@ -1,2 +1,3 @@
-T2497.hs:22:1: warning: Defined but not used: ‘beq’
+T2497.hs:22:1: warning: [-Wunused-local-binds]
+ Defined but not used: ‘beq’
diff --git a/testsuite/tests/typecheck/should_compile/T3696.stderr b/testsuite/tests/typecheck/should_compile/T3696.stderr
index 1784e53511..262e23656d 100644
--- a/testsuite/tests/typecheck/should_compile/T3696.stderr
+++ b/testsuite/tests/typecheck/should_compile/T3696.stderr
@@ -1,3 +1,3 @@
-
-T3696.hs:9:1:
- Warning: Top-level binding with no type signature: def :: Int
+
+T3696.hs:9:1: warning: [-Wmissing-signatures]
+ Top-level binding with no type signature: def :: Int
diff --git a/testsuite/tests/typecheck/should_compile/T4912.stderr b/testsuite/tests/typecheck/should_compile/T4912.stderr
index 02ff1ad40e..282cc64e5c 100644
--- a/testsuite/tests/typecheck/should_compile/T4912.stderr
+++ b/testsuite/tests/typecheck/should_compile/T4912.stderr
@@ -1,11 +1,11 @@
-T4912.hs:10:1: warning:
+T4912.hs:10:1: warning: [-Worphans]
Orphan instance: instance Foo TheirData
To avoid this
move the instance declaration to the module of the class or of the type, or
wrap the type with a newtype and declare the instance on the new type.
-T4912.hs:13:1: warning:
+T4912.hs:13:1: warning: [-Worphans]
Orphan instance: instance Bar OurData
To avoid this
move the instance declaration to the module of the class or of the type, or
diff --git a/testsuite/tests/typecheck/should_compile/T7903.stderr b/testsuite/tests/typecheck/should_compile/T7903.stderr
index 7020e1c0e5..c34bb8a1b2 100644
--- a/testsuite/tests/typecheck/should_compile/T7903.stderr
+++ b/testsuite/tests/typecheck/should_compile/T7903.stderr
@@ -1,10 +1,10 @@
-T7903.hs:6:10: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (a -> b)’
+T7903.hs:6:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (a -> b)’
-T7903.hs:7:10: Warning:
- No explicit implementation for
- either ‘compare’ or ‘<=’
- In the instance declaration for ‘Ord (a -> b)’
+T7903.hs:7:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘compare’ or ‘<=’
+ • In the instance declaration for ‘Ord (a -> b)’
diff --git a/testsuite/tests/typecheck/should_compile/T9497a.stderr b/testsuite/tests/typecheck/should_compile/T9497a.stderr
index 3982616412..5cd55c0761 100644
--- a/testsuite/tests/typecheck/should_compile/T9497a.stderr
+++ b/testsuite/tests/typecheck/should_compile/T9497a.stderr
@@ -1,7 +1,7 @@
-
-T9497a.hs:2:8: warning:
- Found hole: _main :: IO ()
- Or perhaps ‘_main’ is mis-spelled, or not in scope
- In the expression: _main
- In an equation for ‘main’: main = _main
- Relevant bindings include main :: IO () (bound at T9497a.hs:2:1)
+
+T9497a.hs:2:8: warning: [-Wtyped-holes]
+ • Found hole: _main :: IO ()
+ Or perhaps ‘_main’ is mis-spelled, or not in scope
+ • In the expression: _main
+ In an equation for ‘main’: main = _main
+ • Relevant bindings include main :: IO () (bound at T9497a.hs:2:1)
diff --git a/testsuite/tests/typecheck/should_compile/holes.stderr b/testsuite/tests/typecheck/should_compile/holes.stderr
index 8551f66c3b..a289c4c952 100644
--- a/testsuite/tests/typecheck/should_compile/holes.stderr
+++ b/testsuite/tests/typecheck/should_compile/holes.stderr
@@ -1,5 +1,5 @@
-holes.hs:3:5: warning:
+holes.hs:3:5: warning: [-Wtyped-holes]
• Found hole: _ :: t
Where: ‘t’ is a rigid type variable bound by
the inferred type of f :: t at holes.hs:3:1
@@ -7,7 +7,7 @@ holes.hs:3:5: warning:
In an equation for ‘f’: f = _
• Relevant bindings include f :: t (bound at holes.hs:3:1)
-holes.hs:6:7: warning:
+holes.hs:6:7: warning: [-Wtyped-holes]
• Found hole: _ :: Char
• In the expression: _
In an equation for ‘g’: g x = _
@@ -15,14 +15,14 @@ holes.hs:6:7: warning:
x :: Int (bound at holes.hs:6:3)
g :: Int -> Char (bound at holes.hs:6:1)
-holes.hs:8:5: warning:
+holes.hs:8:5: warning: [-Wtyped-holes]
• Found hole: _ :: [Char]
• In the first argument of ‘(++)’, namely ‘_’
In the expression: _ ++ "a"
In an equation for ‘h’: h = _ ++ "a"
• Relevant bindings include h :: [Char] (bound at holes.hs:8:1)
-holes.hs:11:15: warning:
+holes.hs:11:15: warning: [-Wtyped-holes]
• Found hole: _ :: b0
Where: ‘b0’ is an ambiguous type variable
• In the second argument of ‘const’, namely ‘_’
diff --git a/testsuite/tests/typecheck/should_compile/holes2.stderr b/testsuite/tests/typecheck/should_compile/holes2.stderr
index 08d1b466d1..2bc21627d4 100644
--- a/testsuite/tests/typecheck/should_compile/holes2.stderr
+++ b/testsuite/tests/typecheck/should_compile/holes2.stderr
@@ -13,7 +13,7 @@ holes2.hs:3:5: warning:
• In the expression: show _
In an equation for ‘f’: f = show _
-holes2.hs:3:10: warning:
+holes2.hs:3:10: warning: [-Wtyped-holes]
• Found hole: _ :: a0
Where: ‘a0’ is an ambiguous type variable
• In the first argument of ‘show’, namely ‘_’
diff --git a/testsuite/tests/typecheck/should_compile/tc078.stderr b/testsuite/tests/typecheck/should_compile/tc078.stderr
index fa9d3acd2e..9423b51664 100644
--- a/testsuite/tests/typecheck/should_compile/tc078.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc078.stderr
@@ -1,10 +1,10 @@
-tc078.hs:9:10: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq (Bar a)’
+tc078.hs:9:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq (Bar a)’
-tc078.hs:10:10: Warning:
- No explicit implementation for
- either ‘compare’ or ‘<=’
- In the instance declaration for ‘Ord (Bar a)’
+tc078.hs:10:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘compare’ or ‘<=’
+ • In the instance declaration for ‘Ord (Bar a)’
diff --git a/testsuite/tests/typecheck/should_compile/tc115.stderr b/testsuite/tests/typecheck/should_compile/tc115.stderr
index 4f7981ac56..ca56a2665c 100644
--- a/testsuite/tests/typecheck/should_compile/tc115.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc115.stderr
@@ -1,5 +1,5 @@
-tc115.hs:13:10: Warning:
- No explicit implementation for
- ‘foo’
- In the instance declaration for ‘Foo [m a] (m a)’
+tc115.hs:13:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘foo’
+ • In the instance declaration for ‘Foo [m a] (m a)’
diff --git a/testsuite/tests/typecheck/should_compile/tc116.stderr b/testsuite/tests/typecheck/should_compile/tc116.stderr
index 074a795956..83da2b632c 100644
--- a/testsuite/tests/typecheck/should_compile/tc116.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc116.stderr
@@ -1,5 +1,5 @@
-tc116.hs:13:10: Warning:
- No explicit implementation for
- ‘foo’
- In the instance declaration for ‘Foo [m a] (m a)’
+tc116.hs:13:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘foo’
+ • In the instance declaration for ‘Foo [m a] (m a)’
diff --git a/testsuite/tests/typecheck/should_compile/tc125.stderr b/testsuite/tests/typecheck/should_compile/tc125.stderr
index d57cda2b19..b1fc7062ad 100644
--- a/testsuite/tests/typecheck/should_compile/tc125.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc125.stderr
@@ -1,25 +1,26 @@
-tc125.hs:17:10: Warning:
- No explicit implementation for
- ‘add’
- In the instance declaration for ‘Add Z a a’
+tc125.hs:17:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘add’
+ • In the instance declaration for ‘Add Z a a’
-tc125.hs:18:10: Warning:
- No explicit implementation for
- ‘add’
- In the instance declaration for ‘Add (S a) b (S c)’
+tc125.hs:18:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘add’
+ • In the instance declaration for ‘Add (S a) b (S c)’
-tc125.hs:22:10: Warning:
- No explicit implementation for
- ‘mul’
- In the instance declaration for ‘Mul Z a Z’
+tc125.hs:22:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘mul’
+ • In the instance declaration for ‘Mul Z a Z’
-tc125.hs:23:10: Warning:
- No explicit implementation for
- ‘mul’
- In the instance declaration for ‘Mul (S a) b d’
+tc125.hs:23:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘mul’
+ • In the instance declaration for ‘Mul (S a) b d’
-tc125.hs:30:10: Warning:
- No explicit implementation for
- ‘add’
- In the instance declaration for ‘Add (Q a b) (Q c d) (Q ad_bc bd)’
+tc125.hs:30:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘add’
+ • In the instance declaration for
+ ‘Add (Q a b) (Q c d) (Q ad_bc bd)’
diff --git a/testsuite/tests/typecheck/should_compile/tc126.stderr b/testsuite/tests/typecheck/should_compile/tc126.stderr
index 3c766d813e..4f1251b163 100644
--- a/testsuite/tests/typecheck/should_compile/tc126.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc126.stderr
@@ -1,10 +1,10 @@
-tc126.hs:16:25: Warning:
- No explicit implementation for
- ‘bug’
- In the instance declaration for ‘Bug (Int -> r) Int r’
+tc126.hs:16:25: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘bug’
+ • In the instance declaration for ‘Bug (Int -> r) Int r’
-tc126.hs:17:10: Warning:
- No explicit implementation for
- ‘bug’
- In the instance declaration for ‘Bug f (c a) (c r)’
+tc126.hs:17:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘bug’
+ • In the instance declaration for ‘Bug f (c a) (c r)’
diff --git a/testsuite/tests/typecheck/should_compile/tc161.stderr b/testsuite/tests/typecheck/should_compile/tc161.stderr
index 163fde19cd..60ecf136e7 100644
--- a/testsuite/tests/typecheck/should_compile/tc161.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc161.stderr
@@ -1,5 +1,5 @@
-tc161.hs:17:10: Warning:
- No explicit implementation for
- ‘op’
- In the instance declaration for ‘Foo Int’
+tc161.hs:17:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘op’
+ • In the instance declaration for ‘Foo Int’
diff --git a/testsuite/tests/typecheck/should_compile/tc175.stderr b/testsuite/tests/typecheck/should_compile/tc175.stderr
index b7a0eedb68..f312911bb4 100644
--- a/testsuite/tests/typecheck/should_compile/tc175.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc175.stderr
@@ -1,5 +1,5 @@
-tc175.hs:13:10: Warning:
- No explicit implementation for
- either ‘showsPrec’ or ‘show’
- In the instance declaration for ‘Show (a -> b)’
+tc175.hs:13:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘showsPrec’ or ‘show’
+ • In the instance declaration for ‘Show (a -> b)’
diff --git a/testsuite/tests/typecheck/should_compile/tc243.stderr b/testsuite/tests/typecheck/should_compile/tc243.stderr
index 0219817408..ca294e4b6d 100644
--- a/testsuite/tests/typecheck/should_compile/tc243.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc243.stderr
@@ -1,3 +1,3 @@
-tc243.hs:10:1: warning:
+tc243.hs:10:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: (.+.) :: forall a. a
diff --git a/testsuite/tests/typecheck/should_compile/tc254.stderr b/testsuite/tests/typecheck/should_compile/tc254.stderr
index 885b505828..bea77f6eb1 100644
--- a/testsuite/tests/typecheck/should_compile/tc254.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc254.stderr
@@ -1,4 +1,4 @@
-tc254.hs:8:1: Warning:
- No explicit associated type or default declaration for ‘Typ’
- In the instance declaration for ‘Cls Int’
+tc254.hs:8:1: warning: [-Wmissing-methods]
+ • No explicit associated type or default declaration for ‘Typ’
+ • In the instance declaration for ‘Cls Int’
diff --git a/testsuite/tests/typecheck/should_fail/T5051.stderr b/testsuite/tests/typecheck/should_fail/T5051.stderr
index c436ab0e48..48497bc309 100644
--- a/testsuite/tests/typecheck/should_fail/T5051.stderr
+++ b/testsuite/tests/typecheck/should_fail/T5051.stderr
@@ -1,5 +1,5 @@
-
-T5051.hs:8:30: Warning:
- No explicit implementation for
- either ‘==’ or ‘/=’
- In the instance declaration for ‘Eq [T]’
+
+T5051.hs:8:30: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘==’ or ‘/=’
+ • In the instance declaration for ‘Eq [T]’
diff --git a/testsuite/tests/typecheck/should_fail/tcfail204.stderr b/testsuite/tests/typecheck/should_fail/tcfail204.stderr
index f4b6ec791b..8ea5f77e90 100644
--- a/testsuite/tests/typecheck/should_fail/tcfail204.stderr
+++ b/testsuite/tests/typecheck/should_fail/tcfail204.stderr
@@ -1,5 +1,5 @@
-tcfail204.hs:10:15: warning:
+tcfail204.hs:10:15: warning: [-Wtype-defaults]
• Defaulting the following constraints to type ‘Double’
(Fractional a0)
arising from the literal ‘6.3’ at tcfail204.hs:10:15-17
diff --git a/testsuite/tests/warnings/minimal/WarnMinimal.stderr b/testsuite/tests/warnings/minimal/WarnMinimal.stderr
index d07eee875a..3f8aabd963 100644
--- a/testsuite/tests/warnings/minimal/WarnMinimal.stderr
+++ b/testsuite/tests/warnings/minimal/WarnMinimal.stderr
@@ -1,54 +1,54 @@
-WarnMinimal.hs:16:10: Warning:
- No explicit implementation for
- either ‘foo1’ or ‘foo2’
- In the instance declaration for ‘Foo Int’
-
-WarnMinimal.hs:60:10: Warning:
- No explicit implementation for
- either ‘join'’ or ‘bind'’
- In the instance declaration for ‘Monad' ((->) e)’
-
-WarnMinimal.hs:66:10: Warning:
- No explicit implementation for
- ‘return'’
- In the instance declaration for ‘Monad' Id’
-
-WarnMinimal.hs:72:10: Warning:
- No explicit implementation for
- ‘return'’
- In the instance declaration for ‘Monad' Id2’
-
-WarnMinimal.hs:79:10: Warning:
- No explicit implementation for
- ‘return'’ and (either (‘fmap'’ and ‘join'’) or ‘bind'’)
- In the instance declaration for ‘Monad' Id3’
-
-WarnMinimal.hs:84:1: Warning:
- The MINIMAL pragma does not require:
- ‘cheater’
- but there is no default implementation.
- In the class declaration for ‘Cheater’
-
-WarnMinimal.hs:92:1: Warning:
- The MINIMAL pragma does not require:
- ‘cheater3b’
- but there is no default implementation.
- In the class declaration for ‘Cheater3’
-
-WarnMinimal.hs:99:10: Warning:
- No explicit implementation for
- ‘+’, ‘*’, ‘abs’, ‘signum’, ‘fromInteger’, and (either ‘negate’
- or
- ‘-’)
- In the instance declaration for ‘Num Bool’
-
-WarnMinimal.hs:105:10: Warning:
- No explicit implementation for
- ‘needed’
- In the instance declaration for ‘NoExplicit Int’
-
-WarnMinimal.hs:116:10: Warning:
- No explicit implementation for
- either ‘===’ or ‘/==’
- In the instance declaration for ‘Eq' Blarg’
+WarnMinimal.hs:16:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘foo1’ or ‘foo2’
+ • In the instance declaration for ‘Foo Int’
+
+WarnMinimal.hs:60:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘join'’ or ‘bind'’
+ • In the instance declaration for ‘Monad' ((->) e)’
+
+WarnMinimal.hs:66:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘return'’
+ • In the instance declaration for ‘Monad' Id’
+
+WarnMinimal.hs:72:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘return'’
+ • In the instance declaration for ‘Monad' Id2’
+
+WarnMinimal.hs:79:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘return'’ and (either (‘fmap'’ and ‘join'’) or ‘bind'’)
+ • In the instance declaration for ‘Monad' Id3’
+
+WarnMinimal.hs:84:1: warning:
+ • The MINIMAL pragma does not require:
+ ‘cheater’
+ but there is no default implementation.
+ • In the class declaration for ‘Cheater’
+
+WarnMinimal.hs:92:1: warning:
+ • The MINIMAL pragma does not require:
+ ‘cheater3b’
+ but there is no default implementation.
+ • In the class declaration for ‘Cheater3’
+
+WarnMinimal.hs:99:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘+’, ‘*’, ‘abs’, ‘signum’, ‘fromInteger’, and (either ‘negate’
+ or
+ ‘-’)
+ • In the instance declaration for ‘Num Bool’
+
+WarnMinimal.hs:105:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ ‘needed’
+ • In the instance declaration for ‘NoExplicit Int’
+
+WarnMinimal.hs:116:10: warning: [-Wmissing-methods]
+ • No explicit implementation for
+ either ‘===’ or ‘/==’
+ • In the instance declaration for ‘Eq' Blarg’
diff --git a/testsuite/tests/warnings/should_compile/DeprU.stderr b/testsuite/tests/warnings/should_compile/DeprU.stderr
index c27dccb474..9ab0e67612 100644
--- a/testsuite/tests/warnings/should_compile/DeprU.stderr
+++ b/testsuite/tests/warnings/should_compile/DeprU.stderr
@@ -1,10 +1,10 @@
[1 of 2] Compiling DeprM ( DeprM.hs, DeprM.o )
[2 of 2] Compiling A ( DeprU.hs, DeprU.o )
-DeprU.hs:3:1: Warning:
+DeprU.hs:3:1: warning: [-Wdeprecations]
Module ‘DeprM’ is deprecated:
Here can be your menacing deprecation warning!
-DeprU.hs:6:5: Warning:
+DeprU.hs:6:5: warning: [-Wdeprecations]
In the use of ‘f’ (imported from DeprM):
Deprecated: "Here can be your menacing deprecation warning!"
diff --git a/testsuite/tests/warnings/should_compile/PluralS.stderr b/testsuite/tests/warnings/should_compile/PluralS.stderr
index 1c975abdb2..ff9a95b8fa 100644
--- a/testsuite/tests/warnings/should_compile/PluralS.stderr
+++ b/testsuite/tests/warnings/should_compile/PluralS.stderr
@@ -1,12 +1,12 @@
-PluralS.hs:15:17: warning:
+PluralS.hs:15:17: warning: [-Wtype-defaults]
• Defaulting the following constraint to type ‘Integer’
Num t0 arising from the literal ‘123’
• In the first argument of ‘seq’, namely ‘123’
In the expression: 123 `seq` ()
In an equation for ‘defaultingNum’: defaultingNum = 123 `seq` ()
-PluralS.hs:17:29: warning:
+PluralS.hs:17:29: warning: [-Wtype-defaults]
• Defaulting the following constraints to type ‘Integer’
(Num a0) arising from the literal ‘123’ at PluralS.hs:17:29-31
(Show a0) arising from a use of ‘show’ at PluralS.hs:17:24-31
diff --git a/testsuite/tests/warnings/should_compile/T10890/T10890_2.stderr b/testsuite/tests/warnings/should_compile/T10890/T10890_2.stderr
index a693c47a03..b43aabd7ec 100644
--- a/testsuite/tests/warnings/should_compile/T10890/T10890_2.stderr
+++ b/testsuite/tests/warnings/should_compile/T10890/T10890_2.stderr
@@ -1,5 +1,5 @@
-T10890_2.hs:12:1: warning:
+T10890_2.hs:12:1: warning: [-Wunused-imports]
The import of ‘T10890_2B’ is redundant
except perhaps to import instances from ‘T10890_2B’
To import instances alone, use: import T10890_2B()
diff --git a/testsuite/tests/warnings/should_compile/T11077.stderr b/testsuite/tests/warnings/should_compile/T11077.stderr
index 84034f8c65..fcaa385679 100644
--- a/testsuite/tests/warnings/should_compile/T11077.stderr
+++ b/testsuite/tests/warnings/should_compile/T11077.stderr
@@ -1,3 +1,3 @@
-T11077.hs:3:1: warning:
+T11077.hs:3:1: warning: [-Wmissing-exported-sigs]
Top-level binding with no type signature: foo :: forall a. a
diff --git a/testsuite/tests/warnings/should_compile/T11128.stderr b/testsuite/tests/warnings/should_compile/T11128.stderr
index f924a19306..b8d788236c 100644
--- a/testsuite/tests/warnings/should_compile/T11128.stderr
+++ b/testsuite/tests/warnings/should_compile/T11128.stderr
@@ -1,20 +1,20 @@
-T11128.hs:28:5: warning:
+T11128.hs:28:5: warning: [-Wnoncanonical-monad-instances]
Noncanonical ‘pure = return’ definition detected
in the instance declaration for ‘Applicative T1’.
Move definition from ‘return’ to ‘pure’
-T11128.hs:30:5: warning:
+T11128.hs:30:5: warning: [-Wnoncanonical-monad-instances]
Noncanonical ‘(*>) = (>>)’ definition detected
in the instance declaration for ‘Applicative T1’.
Move definition from ‘(>>)’ to ‘(*>)’
-T11128.hs:34:5: warning:
+T11128.hs:34:5: warning: [-Wnoncanonical-monad-instances]
Noncanonical ‘return’ definition detected
in the instance declaration for ‘Monad T1’.
Either remove definition for ‘return’ or define as ‘return = pure’
-T11128.hs:35:5: warning:
+T11128.hs:35:5: warning: [-Wnoncanonical-monad-instances]
Noncanonical ‘(>>)’ definition detected
in the instance declaration for ‘Monad T1’.
Either remove definition for ‘(>>)’ or define as ‘(>>) = (*>)’
diff --git a/testsuite/tests/warnings/should_compile/T11128b.stderr b/testsuite/tests/warnings/should_compile/T11128b.stderr
index 57aa22beea..e3fd3e83dc 100644
--- a/testsuite/tests/warnings/should_compile/T11128b.stderr
+++ b/testsuite/tests/warnings/should_compile/T11128b.stderr
@@ -1,10 +1,10 @@
-T11128b.hs:40:5: warning:
+T11128b.hs:40:5: warning: [-Wnoncanonical-monadfail-instances]
Noncanonical ‘fail’ definition detected
in the instance declaration for ‘Monad T1’.
Either remove definition for ‘fail’ or define as ‘fail = Control.Monad.Fail.fail’
-T11128b.hs:43:5: warning:
+T11128b.hs:43:5: warning: [-Wnoncanonical-monadfail-instances]
Noncanonical ‘fail = Control.Monad.fail’ definition detected
in the instance declaration for ‘MonadFail T1’.
Move definition from ‘Control.Monad.fail’ to ‘fail’
diff --git a/testsuite/tests/warnings/should_compile/T2526.stderr b/testsuite/tests/warnings/should_compile/T2526.stderr
index 585c22dca4..07cf8d835f 100644
--- a/testsuite/tests/warnings/should_compile/T2526.stderr
+++ b/testsuite/tests/warnings/should_compile/T2526.stderr
@@ -1,3 +1,3 @@
-T2526.hs:4:1: Warning:
+T2526.hs:4:1: warning: [-Wmissing-exported-sigs]
Top-level binding with no type signature: foo :: Integer
diff --git a/testsuite/tests/warnings/should_compile/T9178.stderr b/testsuite/tests/warnings/should_compile/T9178.stderr
index d22f428763..260d786cc0 100644
--- a/testsuite/tests/warnings/should_compile/T9178.stderr
+++ b/testsuite/tests/warnings/should_compile/T9178.stderr
@@ -1,7 +1,7 @@
[1 of 2] Compiling T9178DataType ( T9178DataType.hs, T9178DataType.o )
[2 of 2] Compiling T9178 ( T9178.hs, T9178.o )
-T9178.hs:8:1: warning:
+T9178.hs:8:1: warning: [-Worphans]
Orphan instance: instance Show T9178_Type
To avoid this
move the instance declaration to the module of the class or of the type, or
diff --git a/testsuite/tests/wcompat-warnings/WCompatWarningsOn.stderr b/testsuite/tests/wcompat-warnings/WCompatWarningsOn.stderr
index 9a28fb3e21..d17fb0d1d3 100644
--- a/testsuite/tests/wcompat-warnings/WCompatWarningsOn.stderr
+++ b/testsuite/tests/wcompat-warnings/WCompatWarningsOn.stderr
@@ -20,16 +20,16 @@ WCompatWarningsOn.hs:13:5: warning:
= do { Just _ <- undefined;
undefined }
-WCompatWarningsOn.hs:16:1: warning:
+WCompatWarningsOn.hs:16:1: warning: [-Wsemigroup]
Local definition of ‘<>’ clashes with a future Prelude name.
This will become an error in a future release.
-WCompatWarningsOn.hs:22:3: warning:
+WCompatWarningsOn.hs:22:3: warning: [-Wnoncanonical-monoid-instances]
Noncanonical ‘(<>) = mappend’ definition detected
in the instance declaration for ‘Semi.Semigroup S’.
Move definition from ‘mappend’ to ‘(<>)’
-WCompatWarningsOn.hs:25:3: warning:
+WCompatWarningsOn.hs:25:3: warning: [-Wnoncanonical-monoid-instances]
Noncanonical ‘mappend’ definition detected
in the instance declaration for ‘Monoid S’.
Define as ‘mappend = (<>)’