diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/T17355.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T17355.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T17355.hs b/testsuite/tests/typecheck/should_fail/T17355.hs new file mode 100644 index 0000000000..cf9fb651cc --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T17355.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE RankNTypes, DataKinds #-} +module T17355 where + +import GHC.Generics +import GHC.Records + +data Foo = Foo { poly :: forall a. a -> a } + +instance Generic (forall a . a) +instance HasField "myPoly" Foo (forall a. a -> a) where + getField (Foo x) = x |