diff options
Diffstat (limited to 'testsuite/tests/rename/should_compile/mc10.hs')
| -rw-r--r-- | testsuite/tests/rename/should_compile/mc10.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/rename/should_compile/mc10.hs b/testsuite/tests/rename/should_compile/mc10.hs new file mode 100644 index 0000000000..fa9774fdfb --- /dev/null +++ b/testsuite/tests/rename/should_compile/mc10.hs @@ -0,0 +1,15 @@ +{-# OPTIONS_GHC -fwarn-unused-matches #-} +{-# LANGUAGE MonadComprehensions, ParallelListComp #-} +-- Test for parallel list comp should work for monad comp aswell: +-- +-- GHC 6.4 erroneously reported that the +-- bindings for q and z were unused +-- +-- Note the parallel list comprehension, +-- which was the cause of the trouble + +module ShouldCompile where + +t :: [Int] +t = [ q | y <- [1..10] + | z <- [30..40], let q = z*z] |