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Diffstat (limited to 'testsuite/tests/gadt/T19847b.hs')
| -rw-r--r-- | testsuite/tests/gadt/T19847b.hs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/testsuite/tests/gadt/T19847b.hs b/testsuite/tests/gadt/T19847b.hs new file mode 100644 index 0000000000..b7dbe005d9 --- /dev/null +++ b/testsuite/tests/gadt/T19847b.hs @@ -0,0 +1,10 @@ +{-# LANGUAGE TypeAbstractions, GADTs #-} + +module T19847b where + +import Data.Kind + +data T (a :: Type) b where + MkT4 :: forall a b. b ~ a => T a b + +foo x = (case x of MkT4 @Bool -> ()) :: () |