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Diffstat (limited to 'testsuite/tests/module/mod47.hs')
| -rw-r--r-- | testsuite/tests/module/mod47.hs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/testsuite/tests/module/mod47.hs b/testsuite/tests/module/mod47.hs new file mode 100644 index 0000000000..f0f487dda2 --- /dev/null +++ b/testsuite/tests/module/mod47.hs @@ -0,0 +1,7 @@ +-- !!! Instance context can't satisfy class-hierarchy constraint +module M where +class Foo a +class Foo a => Bar a +instance Num a => Foo [a] +instance (Eq a, Enum a) => Bar [a] + |