Repository : ssh://darcs.haskell.org//srv/darcs/testsuite On branch : master
http://hackage.haskell.org/trac/ghc/changeset/4a973d7a7935034992cd7b92a3a4282332bc245e >--------------------------------------------------------------- commit 4a973d7a7935034992cd7b92a3a4282332bc245e Author: Simon Peyton Jones <[email protected]> Date: Wed Apr 4 16:03:21 2012 +0100 Test Trac #5957 >--------------------------------------------------------------- tests/typecheck/should_fail/T5957.hs | 4 ++++ tests/typecheck/should_fail/T5957.stderr | 6 ++++++ tests/typecheck/should_fail/all.T | 1 + 3 files changed, 11 insertions(+), 0 deletions(-) diff --git a/tests/typecheck/should_fail/T5957.hs b/tests/typecheck/should_fail/T5957.hs new file mode 100644 index 0000000..c168a00 --- /dev/null +++ b/tests/typecheck/should_fail/T5957.hs @@ -0,0 +1,4 @@ +module T5957 where + +flex :: Int -> Show a => a -> String +flex i a = show a ++ show i diff --git a/tests/typecheck/should_fail/T5957.stderr b/tests/typecheck/should_fail/T5957.stderr new file mode 100644 index 0000000..c0bc12a --- /dev/null +++ b/tests/typecheck/should_fail/T5957.stderr @@ -0,0 +1,6 @@ + +T5957.hs:3:9: + Illegal polymorphic or qualified type: Show a => a -> String + Perhaps you intended to use -XRankNTypes or -XRank2Types + In the type signature for `flex': + flex :: Int -> Show a => a -> String diff --git a/tests/typecheck/should_fail/all.T b/tests/typecheck/should_fail/all.T index 9d4d6a0..caf92fb 100644 --- a/tests/typecheck/should_fail/all.T +++ b/tests/typecheck/should_fail/all.T @@ -271,3 +271,4 @@ test('T5573b', normal, compile_fail, ['']) test('T5689', normal, compile_fail, ['']) test('T5684', normal, compile_fail, ['']) test('T5858', normal, compile_fail, ['']) +test('T5957', normal, compile_fail, ['']) _______________________________________________ Cvs-ghc mailing list [email protected] http://www.haskell.org/mailman/listinfo/cvs-ghc
