[project @ 1997-11-25 11:52:10 by simonm]

Add test for "type constructor used as class name".

ghc/tests/typecheck/should_fail/tcfail078.hs

+module ShouldFail where
+
+--!!! Using a type constructor as a class name
+
+f :: Integer i => i 
+f =               0    

ghc/tests/typecheck/should_fail/tcfail078.stderr

+ 
+tcfail078.hs:5: Type constructor used as a class: `Integer'
+
+Compilation had errors