[project @ 1999-07-27 07:30:00 by simonpj]

Add rnfail018

ghc/tests/rename/should_fail/rnfail018.hs

+{-# OPTIONS -fglasgow-exts #-}
+
+module ShouldFail where
+
+-- !!! For-all with parens
+
+-- This one crashed ghc-4.04proto; the parens after the for-all fooled it
+
+class Monad m => StateMonad s m where
+   getState :: m s
+
+setState0 :: forall b. (StateMonad (a,b) m => m a)
+setState0 = getState >>= \ (l,_r) -> return l
+
+

ghc/tests/rename/should_fail/rnfail018.stderr

+
+rnfail018.hs:12:
+    The constrained type variable `b' does not appear in the type `m a'
+    In the type signature for `setState0'
+
+rnfail018.hs:12: Type variable not in scope: `a'
+
+rnfail018.hs:12: Type variable not in scope: `m'
+
+rnfail018.hs:12: Type variable not in scope: `m'
+
+rnfail018.hs:12: Type variable not in scope: `a'
+
+Compilation had errors
+