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-rw-r--r--testsuite/tests/dependent/should_fail/T16326_Fail6.stderr10
-rw-r--r--testsuite/tests/gadt/T12087.stderr45
-rw-r--r--testsuite/tests/gadt/T14320.hs4
-rw-r--r--testsuite/tests/gadt/T14320.stderr4
-rw-r--r--testsuite/tests/gadt/T16427.stderr9
-rw-r--r--testsuite/tests/gadt/T18191.hs16
-rw-r--r--testsuite/tests/gadt/T18191.stderr20
-rw-r--r--testsuite/tests/gadt/all.T3
-rw-r--r--testsuite/tests/ghc-api/annotations/T10399.stdout60
-rw-r--r--testsuite/tests/ghc-api/annotations/Test10399.hs6
-rw-r--r--testsuite/tests/parser/should_compile/T15323.hs2
-rw-r--r--testsuite/tests/parser/should_compile/T15323.stderr116
12 files changed, 156 insertions, 139 deletions
diff --git a/testsuite/tests/dependent/should_fail/T16326_Fail6.stderr b/testsuite/tests/dependent/should_fail/T16326_Fail6.stderr
index bb78e2f457..e4acd7a7fd 100644
--- a/testsuite/tests/dependent/should_fail/T16326_Fail6.stderr
+++ b/testsuite/tests/dependent/should_fail/T16326_Fail6.stderr
@@ -1,7 +1,5 @@
-T16326_Fail6.hs:9:3: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- MkFoo :: forall a. a -> Foo a
- • In the definition of data constructor ‘MkFoo’
- In the data type declaration for ‘Foo’
+T16326_Fail6.hs:9:12: error:
+ Illegal visible, dependent quantification in the type of a term
+ (GHC does not yet support this)
+ In the definition of data constructor ‘MkFoo’
diff --git a/testsuite/tests/gadt/T12087.stderr b/testsuite/tests/gadt/T12087.stderr
index 0039e98657..ef0251a003 100644
--- a/testsuite/tests/gadt/T12087.stderr
+++ b/testsuite/tests/gadt/T12087.stderr
@@ -1,35 +1,20 @@
-T12087.hs:6:3: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- MkF1 :: forall a. (Ord a, Eq a) => a -> F1 a
- • In the definition of data constructor ‘MkF1’
- In the data type declaration for ‘F1’
+T12087.hs:6:20: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkF1’
-T12087.hs:9:3: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- MkF2 :: forall a. (Ord a, Eq a) => a -> F2 a
- • In the definition of data constructor ‘MkF2’
- In the data type declaration for ‘F2’
+T12087.hs:9:25: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkF2’
-T12087.hs:12:3: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- MkF3 :: forall a b. (Eq a, Eq b) => a -> b -> F3 a
- • In the definition of data constructor ‘MkF3’
- In the data type declaration for ‘F3’
+T12087.hs:12:34: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkF3’
-T12087.hs:15:3: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- MkF4 :: forall a b. (Eq a, Eq b) => a -> b -> F4 a
- • In the definition of data constructor ‘MkF4’
- In the data type declaration for ‘F4’
+T12087.hs:15:36: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkF4’
-T12087.hs:18:3: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- MkF5 :: forall a b. Int -> Int -> a -> Int -> Int -> b -> F5 a
- • In the definition of data constructor ‘MkF5’
- In the data type declaration for ‘F5’
+T12087.hs:18:25: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkF5’
diff --git a/testsuite/tests/gadt/T14320.hs b/testsuite/tests/gadt/T14320.hs
index 77c68ee92e..270c92c37c 100644
--- a/testsuite/tests/gadt/T14320.hs
+++ b/testsuite/tests/gadt/T14320.hs
@@ -10,8 +10,8 @@ data Exp :: Type where
newtype TypedExp :: Type -> Type where
TEGood :: forall a . (Exp -> (TypedExp a))
--- The only difference here is that the type is wrapped in parentheses,
--- but GHC 8.0.1 rejects this program
+-- The presence of outer parentheses makes the `forall` nested, and
+-- GADTs do not permit nested `forall`s.
--
newtype TypedExpToo :: Type -> Type where
TEBad :: (forall a . (Exp -> (TypedExpToo a)))
diff --git a/testsuite/tests/gadt/T14320.stderr b/testsuite/tests/gadt/T14320.stderr
new file mode 100644
index 0000000000..9cfb6ed9fc
--- /dev/null
+++ b/testsuite/tests/gadt/T14320.stderr
@@ -0,0 +1,4 @@
+
+T14320.hs:17:14: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘TEBad’
diff --git a/testsuite/tests/gadt/T16427.stderr b/testsuite/tests/gadt/T16427.stderr
index 1c80190e29..b7288c9cd6 100644
--- a/testsuite/tests/gadt/T16427.stderr
+++ b/testsuite/tests/gadt/T16427.stderr
@@ -1,7 +1,4 @@
-T16427.hs:5:14: error:
- • GADT constructor type signature cannot contain nested ‘forall’s or contexts
- Suggestion: instead use this type signature:
- C :: forall b. Int -> b -> D
- • In the definition of data constructor ‘C’
- In the data type declaration for ‘D’
+T16427.hs:5:26: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘C’
diff --git a/testsuite/tests/gadt/T18191.hs b/testsuite/tests/gadt/T18191.hs
new file mode 100644
index 0000000000..e30c7ad5b1
--- /dev/null
+++ b/testsuite/tests/gadt/T18191.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE GADTs #-}
+{-# LANGUAGE RankNTypes #-}
+module T18191 where
+
+data T where
+ MkT :: (forall a. a -> b -> T)
+
+data S a where
+ MkS :: (forall a. S a)
+
+data U a where
+ MkU :: (Show a => U a)
+
+data Z a where
+ MkZ1 :: forall a. forall b. { unZ1 :: (a, b) } -> Z (a, b)
+ MkZ2 :: Eq a => Eq b => { unZ1 :: (a, b) } -> Z (a, b)
diff --git a/testsuite/tests/gadt/T18191.stderr b/testsuite/tests/gadt/T18191.stderr
new file mode 100644
index 0000000000..b8c6c60bdc
--- /dev/null
+++ b/testsuite/tests/gadt/T18191.stderr
@@ -0,0 +1,20 @@
+
+T18191.hs:6:11: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkT’
+
+T18191.hs:9:11: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkS’
+
+T18191.hs:12:11: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkU’
+
+T18191.hs:15:21: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkZ1’
+
+T18191.hs:16:19: error:
+ GADT constructor type signature cannot contain nested ‘forall’s or contexts
+ In the definition of data constructor ‘MkZ2’
diff --git a/testsuite/tests/gadt/all.T b/testsuite/tests/gadt/all.T
index 29bde94100..3c146820ae 100644
--- a/testsuite/tests/gadt/all.T
+++ b/testsuite/tests/gadt/all.T
@@ -113,10 +113,11 @@ test('T7558', normal, compile_fail, [''])
test('T9380', normal, compile_and_run, [''])
test('T12087', normal, compile_fail, [''])
test('T12468', normal, compile_fail, [''])
-test('T14320', normal, compile, [''])
+test('T14320', normal, compile_fail, [''])
test('T14719', normal, compile_fail, ['-fdiagnostics-show-caret'])
test('T14808', normal, compile, [''])
test('T15009', normal, compile, [''])
test('T15558', normal, compile, [''])
test('T16427', normal, compile_fail, [''])
test('T17423', expect_broken(17423), compile_and_run, [''])
+test('T18191', normal, compile_fail, [''])
diff --git a/testsuite/tests/ghc-api/annotations/T10399.stdout b/testsuite/tests/ghc-api/annotations/T10399.stdout
index a71abc4139..7588393264 100644
--- a/testsuite/tests/ghc-api/annotations/T10399.stdout
+++ b/testsuite/tests/ghc-api/annotations/T10399.stdout
@@ -34,9 +34,9 @@
((Test10399.hs:12:30,AnnComma), [Test10399.hs:12:30]),
((Test10399.hs:12:31-32,AnnCloseP), [Test10399.hs:12:32]),
((Test10399.hs:12:31-32,AnnOpenP), [Test10399.hs:12:31]),
-((Test10399.hs:(14,1)-(18,55),AnnData), [Test10399.hs:14:1-4]),
-((Test10399.hs:(14,1)-(18,55),AnnSemi), [Test10399.hs:20:1]),
-((Test10399.hs:(14,1)-(18,55),AnnWhere), [Test10399.hs:14:21-25]),
+((Test10399.hs:(14,1)-(18,53),AnnData), [Test10399.hs:14:1-4]),
+((Test10399.hs:(14,1)-(18,53),AnnSemi), [Test10399.hs:20:1]),
+((Test10399.hs:(14,1)-(18,53),AnnWhere), [Test10399.hs:14:21-25]),
((Test10399.hs:15:5-64,AnnDcolon), [Test10399.hs:15:11-12]),
((Test10399.hs:15:5-64,AnnSemi), [Test10399.hs:16:5]),
((Test10399.hs:15:14-64,AnnDot), [Test10399.hs:15:23]),
@@ -48,37 +48,29 @@
((Test10399.hs:15:45-46,AnnBang), [Test10399.hs:15:45]),
((Test10399.hs:15:45-46,AnnRarrow), [Test10399.hs:15:48-49]),
((Test10399.hs:15:45-64,AnnRarrow), [Test10399.hs:15:48-49]),
-((Test10399.hs:(16,5)-(17,69),AnnCloseP), [Test10399.hs:17:69]),
-((Test10399.hs:(16,5)-(17,69),AnnDcolon), [Test10399.hs:16:12-13]),
-((Test10399.hs:(16,5)-(17,69),AnnOpenP), [Test10399.hs:16:27]),
-((Test10399.hs:(16,5)-(17,69),AnnSemi), [Test10399.hs:18:5]),
-((Test10399.hs:(16,15)-(17,69),AnnDot), [Test10399.hs:16:25]),
-((Test10399.hs:(16,15)-(17,69),AnnForall), [Test10399.hs:16:15-20]),
-((Test10399.hs:(16,27)-(17,69),AnnCloseP), [Test10399.hs:17:69]),
-((Test10399.hs:(16,27)-(17,69),AnnOpenP), [Test10399.hs:16:27]),
-((Test10399.hs:16:28-43,AnnCloseP), [Test10399.hs:16:43, Test10399.hs:16:43]),
-((Test10399.hs:16:28-43,AnnDarrow), [Test10399.hs:16:45-46]),
-((Test10399.hs:16:28-43,AnnOpenP), [Test10399.hs:16:28, Test10399.hs:16:28]),
-((Test10399.hs:16:30-33,AnnComma), [Test10399.hs:16:34]),
-((Test10399.hs:16:48,AnnRarrow), [Test10399.hs:16:50-51]),
-((Test10399.hs:(16,48)-(17,68),AnnRarrow), [Test10399.hs:16:50-51]),
-((Test10399.hs:16:53-66,AnnRarrow), [Test10399.hs:17:45-46]),
-((Test10399.hs:(16,53)-(17,68),AnnRarrow), [Test10399.hs:17:45-46]),
-((Test10399.hs:17:48,AnnRarrow), [Test10399.hs:17:50-51]),
-((Test10399.hs:17:48-68,AnnRarrow), [Test10399.hs:17:50-51]),
-((Test10399.hs:17:66-68,AnnCloseS), [Test10399.hs:17:68]),
-((Test10399.hs:17:66-68,AnnOpenS), [Test10399.hs:17:66]),
-((Test10399.hs:18:5-55,AnnCloseP), [Test10399.hs:18:55]),
-((Test10399.hs:18:5-55,AnnDcolon), [Test10399.hs:18:16-17]),
-((Test10399.hs:18:5-55,AnnOpenP), [Test10399.hs:18:19]),
-((Test10399.hs:18:19-55,AnnCloseP), [Test10399.hs:18:55]),
-((Test10399.hs:18:19-55,AnnOpenP), [Test10399.hs:18:19]),
-((Test10399.hs:18:20-54,AnnDot), [Test10399.hs:18:29]),
-((Test10399.hs:18:20-54,AnnForall), [Test10399.hs:18:20-25]),
-((Test10399.hs:18:31-36,AnnCloseP), [Test10399.hs:18:36]),
-((Test10399.hs:18:31-36,AnnOpenP), [Test10399.hs:18:31]),
-((Test10399.hs:18:31-36,AnnRarrow), [Test10399.hs:18:38-39]),
-((Test10399.hs:18:31-54,AnnRarrow), [Test10399.hs:18:38-39]),
+((Test10399.hs:(16,5)-(17,67),AnnDcolon), [Test10399.hs:16:12-13]),
+((Test10399.hs:(16,5)-(17,67),AnnSemi), [Test10399.hs:18:5]),
+((Test10399.hs:(16,15)-(17,67),AnnDot), [Test10399.hs:16:25]),
+((Test10399.hs:(16,15)-(17,67),AnnForall), [Test10399.hs:16:15-20]),
+((Test10399.hs:16:27-42,AnnCloseP), [Test10399.hs:16:42, Test10399.hs:16:42]),
+((Test10399.hs:16:27-42,AnnDarrow), [Test10399.hs:16:44-45]),
+((Test10399.hs:16:27-42,AnnOpenP), [Test10399.hs:16:27, Test10399.hs:16:27]),
+((Test10399.hs:16:29-32,AnnComma), [Test10399.hs:16:33]),
+((Test10399.hs:16:47,AnnRarrow), [Test10399.hs:16:49-50]),
+((Test10399.hs:(16,47)-(17,67),AnnRarrow), [Test10399.hs:16:49-50]),
+((Test10399.hs:16:52-65,AnnRarrow), [Test10399.hs:17:44-45]),
+((Test10399.hs:(16,52)-(17,67),AnnRarrow), [Test10399.hs:17:44-45]),
+((Test10399.hs:17:47,AnnRarrow), [Test10399.hs:17:49-50]),
+((Test10399.hs:17:47-67,AnnRarrow), [Test10399.hs:17:49-50]),
+((Test10399.hs:17:65-67,AnnCloseS), [Test10399.hs:17:67]),
+((Test10399.hs:17:65-67,AnnOpenS), [Test10399.hs:17:65]),
+((Test10399.hs:18:5-53,AnnDcolon), [Test10399.hs:18:16-17]),
+((Test10399.hs:18:19-53,AnnDot), [Test10399.hs:18:28]),
+((Test10399.hs:18:19-53,AnnForall), [Test10399.hs:18:19-24]),
+((Test10399.hs:18:30-35,AnnCloseP), [Test10399.hs:18:35]),
+((Test10399.hs:18:30-35,AnnOpenP), [Test10399.hs:18:30]),
+((Test10399.hs:18:30-35,AnnRarrow), [Test10399.hs:18:37-38]),
+((Test10399.hs:18:30-53,AnnRarrow), [Test10399.hs:18:37-38]),
((Test10399.hs:20:1-25,AnnCloseQ), [Test10399.hs:20:24-25]),
((Test10399.hs:20:1-25,AnnOpen), [Test10399.hs:20:1-3]),
((Test10399.hs:20:1-25,AnnSemi), [Test10399.hs:22:1]),
diff --git a/testsuite/tests/ghc-api/annotations/Test10399.hs b/testsuite/tests/ghc-api/annotations/Test10399.hs
index 6a35712bfd..bb3265000d 100644
--- a/testsuite/tests/ghc-api/annotations/Test10399.hs
+++ b/testsuite/tests/ghc-api/annotations/Test10399.hs
@@ -13,9 +13,9 @@ mkPoli = mkBila . map ((,,(),,()) <$> P.base <*> P.pos <*> P.form)
data MaybeDefault v where
SetTo :: forall v . ( Eq v, Show v ) => !v -> MaybeDefault v
- SetTo4 :: forall v a. (( Eq v, Show v ) => v -> MaybeDefault v
- -> a -> MaybeDefault [a])
- TestParens :: (forall v . (Eq v) -> MaybeDefault v)
+ SetTo4 :: forall v a. ( Eq v, Show v ) => v -> MaybeDefault v
+ -> a -> MaybeDefault [a]
+ TestParens :: forall v . (Eq v) -> MaybeDefault v
[t| Map.Map T.Text $tc |]
diff --git a/testsuite/tests/parser/should_compile/T15323.hs b/testsuite/tests/parser/should_compile/T15323.hs
index ffc8ad85f0..42eb616141 100644
--- a/testsuite/tests/parser/should_compile/T15323.hs
+++ b/testsuite/tests/parser/should_compile/T15323.hs
@@ -3,4 +3,4 @@
module T15323 where
data MaybeDefault v where
- TestParens :: (forall v . (Eq v) => MaybeDefault v)
+ TestParens :: forall v . (Eq v) => MaybeDefault v
diff --git a/testsuite/tests/parser/should_compile/T15323.stderr b/testsuite/tests/parser/should_compile/T15323.stderr
index c69f94afba..c07f2d6a43 100644
--- a/testsuite/tests/parser/should_compile/T15323.stderr
+++ b/testsuite/tests/parser/should_compile/T15323.stderr
@@ -8,7 +8,7 @@
{ModuleName: T15323}))
(Nothing)
[]
- [({ T15323.hs:(5,1)-(6,56) }
+ [({ T15323.hs:(5,1)-(6,54) }
(TyClD
(NoExtField)
(DataDecl
@@ -33,63 +33,67 @@
[])
(Nothing)
(Nothing)
- [({ T15323.hs:6:5-56 }
- (ConDeclGADT
- (NoExtField)
- [({ T15323.hs:6:5-14 }
- (Unqual
- {OccName: TestParens}))]
- ({ T15323.hs:6:21-55 }
- (True))
- [({ T15323.hs:6:28 }
- (UserTyVar
- (NoExtField)
- (SpecifiedSpec)
- ({ T15323.hs:6:28 }
- (Unqual
- {OccName: v}))))]
- (Just
- ({ T15323.hs:6:32-37 }
- [({ T15323.hs:6:32-37 }
- (HsParTy
- (NoExtField)
- ({ T15323.hs:6:33-36 }
- (HsAppTy
- (NoExtField)
- ({ T15323.hs:6:33-34 }
- (HsTyVar
- (NoExtField)
- (NotPromoted)
- ({ T15323.hs:6:33-34 }
- (Unqual
- {OccName: Eq}))))
- ({ T15323.hs:6:36 }
- (HsTyVar
- (NoExtField)
- (NotPromoted)
- ({ T15323.hs:6:36 }
- (Unqual
- {OccName: v}))))))))]))
- (PrefixCon
- [])
- ({ T15323.hs:6:42-55 }
- (HsAppTy
+ [({ T15323.hs:6:5-54 }
+ (XConDecl
+ (ConDeclGADTPrefixPs
+ [({ T15323.hs:6:5-14 }
+ (Unqual
+ {OccName: TestParens}))]
+ (HsIB
(NoExtField)
- ({ T15323.hs:6:42-53 }
- (HsTyVar
+ ({ T15323.hs:6:20-54 }
+ (HsForAllTy
(NoExtField)
- (NotPromoted)
- ({ T15323.hs:6:42-53 }
- (Unqual
- {OccName: MaybeDefault}))))
- ({ T15323.hs:6:55 }
- (HsTyVar
- (NoExtField)
- (NotPromoted)
- ({ T15323.hs:6:55 }
- (Unqual
- {OccName: v}))))))
- (Nothing)))]
+ (ForallInvis)
+ [({ T15323.hs:6:27 }
+ (UserTyVar
+ (NoExtField)
+ (SpecifiedSpec)
+ ({ T15323.hs:6:27 }
+ (Unqual
+ {OccName: v}))))]
+ ({ T15323.hs:6:31-54 }
+ (HsQualTy
+ (NoExtField)
+ ({ T15323.hs:6:31-36 }
+ [({ T15323.hs:6:31-36 }
+ (HsParTy
+ (NoExtField)
+ ({ T15323.hs:6:32-35 }
+ (HsAppTy
+ (NoExtField)
+ ({ T15323.hs:6:32-33 }
+ (HsTyVar
+ (NoExtField)
+ (NotPromoted)
+ ({ T15323.hs:6:32-33 }
+ (Unqual
+ {OccName: Eq}))))
+ ({ T15323.hs:6:35 }
+ (HsTyVar
+ (NoExtField)
+ (NotPromoted)
+ ({ T15323.hs:6:35 }
+ (Unqual
+ {OccName: v}))))))))])
+ ({ T15323.hs:6:41-54 }
+ (HsAppTy
+ (NoExtField)
+ ({ T15323.hs:6:41-52 }
+ (HsTyVar
+ (NoExtField)
+ (NotPromoted)
+ ({ T15323.hs:6:41-52 }
+ (Unqual
+ {OccName: MaybeDefault}))))
+ ({ T15323.hs:6:54 }
+ (HsTyVar
+ (NoExtField)
+ (NotPromoted)
+ ({ T15323.hs:6:54 }
+ (Unqual
+ {OccName: v})))))))))))
+ (Nothing))))]
({ <no location info> }
[])))))]
(Nothing)
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