diff options
Diffstat (limited to 'testsuite/tests/deriving/should_fail/T3834.hs')
| -rw-r--r-- | testsuite/tests/deriving/should_fail/T3834.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_fail/T3834.hs b/testsuite/tests/deriving/should_fail/T3834.hs new file mode 100644 index 0000000000..614170198e --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T3834.hs @@ -0,0 +1,9 @@ + +{-# LANGUAGE StandaloneDeriving #-} + +class C a +instance C Int + +newtype T = T Int +deriving instance C T + |