[project @ 1996-01-08 20:28:12 by partain]

[ghc-hetmet.git] / ghc / compiler / tests / typecheck / should_succeed / tc077.hs

diff --git a/ghc/compiler/tests/typecheck/should_succeed/tc077.hs b/ghc/compiler/tests/typecheck/should_succeed/tc077.hs
new file mode 100644 (file)
index 0000000..45ef892
--- /dev/null
+++ b/ghc/compiler/tests/typecheck/should_succeed/tc077.hs
@@ -0,0 +1,9 @@
+--!!! make sure context of EQ is minimised in interface file.
+--
+module M where
+
+data NUM = ONE | TWO
+class (Num a) => ORD a
+
+class (ORD a, Text a) => EQ a where
+       (===) :: a -> a -> Bool