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-rw-r--r--compiler/main/TidyPgm.hs29
-rw-r--r--testsuite/tests/patsyn/should_compile/T16682.hs5
-rw-r--r--testsuite/tests/patsyn/should_compile/T16682a.hs8
-rw-r--r--testsuite/tests/patsyn/should_compile/all.T2
4 files changed, 30 insertions, 14 deletions
diff --git a/compiler/main/TidyPgm.hs b/compiler/main/TidyPgm.hs
index ba9cd79e3d..d0e813a403 100644
--- a/compiler/main/TidyPgm.hs
+++ b/compiler/main/TidyPgm.hs
@@ -135,13 +135,14 @@ Plan A: mkBootModDetails: omit pragmas, make interfaces small
mkBootModDetailsTc :: HscEnv -> TcGblEnv -> IO ModDetails
mkBootModDetailsTc hsc_env
- TcGblEnv{ tcg_exports = exports,
- tcg_type_env = type_env, -- just for the Ids
- tcg_tcs = tcs,
- tcg_patsyns = pat_syns,
- tcg_insts = insts,
- tcg_fam_insts = fam_insts,
- tcg_mod = this_mod
+ TcGblEnv{ tcg_exports = exports,
+ tcg_type_env = type_env, -- just for the Ids
+ tcg_tcs = tcs,
+ tcg_patsyns = pat_syns,
+ tcg_insts = insts,
+ tcg_fam_insts = fam_insts,
+ tcg_complete_matches = complete_sigs,
+ tcg_mod = this_mod
}
= -- This timing isn't terribly useful since the result isn't forced, but
-- the message is useful to locating oneself in the compilation process.
@@ -156,13 +157,13 @@ mkBootModDetailsTc hsc_env
; dfun_ids = map instanceDFunId insts'
; type_env' = extendTypeEnvWithIds type_env2 dfun_ids
}
- ; return (ModDetails { md_types = type_env'
- , md_insts = insts'
- , md_fam_insts = fam_insts
- , md_rules = []
- , md_anns = []
- , md_exports = exports
- , md_complete_sigs = []
+ ; return (ModDetails { md_types = type_env'
+ , md_insts = insts'
+ , md_fam_insts = fam_insts
+ , md_rules = []
+ , md_anns = []
+ , md_exports = exports
+ , md_complete_sigs = complete_sigs
})
}
where
diff --git a/testsuite/tests/patsyn/should_compile/T16682.hs b/testsuite/tests/patsyn/should_compile/T16682.hs
new file mode 100644
index 0000000000..1a8e540f99
--- /dev/null
+++ b/testsuite/tests/patsyn/should_compile/T16682.hs
@@ -0,0 +1,5 @@
+module T16682 where
+
+import T16682a
+
+f Unit = () -- Non-exhaustive patterns warning with -fno-code
diff --git a/testsuite/tests/patsyn/should_compile/T16682a.hs b/testsuite/tests/patsyn/should_compile/T16682a.hs
new file mode 100644
index 0000000000..f77bd8203a
--- /dev/null
+++ b/testsuite/tests/patsyn/should_compile/T16682a.hs
@@ -0,0 +1,8 @@
+{-# language PatternSynonyms #-}
+module T16682a where
+
+pattern Unit = ()
+
+{-# complete Unit #-}
+
+f Unit = () -- No warnings
diff --git a/testsuite/tests/patsyn/should_compile/all.T b/testsuite/tests/patsyn/should_compile/all.T
index 6eb9e2db8a..2ac343f635 100644
--- a/testsuite/tests/patsyn/should_compile/all.T
+++ b/testsuite/tests/patsyn/should_compile/all.T
@@ -77,3 +77,5 @@ test('T14326', normal, compile, [''])
test('T14394', normal, ghci_script, ['T14394.script'])
test('T14552', normal, compile, [''])
test('T14498', normal, compile, [''])
+test('T16682', [extra_files(['T16682.hs', 'T16682a.hs'])],
+ multimod_compile, ['T16682', '-v0 -fwarn-incomplete-patterns -fno-code'])