diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/tcfail145.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/tcfail145.hs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail145.hs b/testsuite/tests/typecheck/should_fail/tcfail145.hs new file mode 100644 index 0000000000..d33dc1892f --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/tcfail145.hs @@ -0,0 +1,12 @@ +{-# LANGUAGE RankNTypes, ScopedTypeVariables #-} + +-- This fails, because the type in the pattern doesn't exactly match +-- the context type. We don't do subsumption in patterns any more. + +-- GHC 7.0: now we do again + +module Foo where + +foo :: (forall c. c -> c) -> [Char] +foo (f :: forall a. [a] -> [a]) = f undefined + |