diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/T13677.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T13677.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T13677.hs b/testsuite/tests/typecheck/should_fail/T13677.hs new file mode 100644 index 0000000000..f452a202bb --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T13677.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE ConstraintKinds #-} +{-# LANGUAGE GADTs #-} +module T13677 where + +import GHC.Exts (Constraint) + +data Dict a where + Dict :: a => Dict a + +foo :: Dict (Int ~ Int) => Int +foo = undefined |