diff options
Diffstat (limited to 'testsuite/tests/stranal/should_compile/newtype.hs')
| -rw-r--r-- | testsuite/tests/stranal/should_compile/newtype.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/stranal/should_compile/newtype.hs b/testsuite/tests/stranal/should_compile/newtype.hs new file mode 100644 index 0000000000..c68df28111 --- /dev/null +++ b/testsuite/tests/stranal/should_compile/newtype.hs @@ -0,0 +1,14 @@ +-- This one killed GHC 6.4 because it bogusly attributed +-- the CPR property to the construtor T +-- Result: a mkWWcpr crash +-- Needs -prof -auto-all to show it up + +module ShouldCompile where + +newtype T a = T { unT :: a } + +f = unT + +test cs = f $ case cs of + [] -> T [] + (x:xs) -> T $ test cs |