[project @ 2003-05-12 14:12:52 by simonmar]

Another bugfix to tryM, this time for GHC 5.00--5.04

diff --git a/ghc/compiler/typecheck/TcRnTypes.lhs b/ghc/compiler/typecheck/TcRnTypes.lhs
index f61115a..5f032a5 100644 (file)
--- a/ghc/compiler/typecheck/TcRnTypes.lhs
+++ b/ghc/compiler/typecheck/TcRnTypes.lhs
@@ -164,7 +164,7 @@ tryM (TcRn thing) = TcRn (\ env -> tryJust tc_errors (thing env))
 #if __GLASGOW_HASKELL__ > 504 || __GLASGOW_HASKELL__ < 500
        tc_errors e@(IOException ioe) | isUserError ioe = Just e
 #else
-       tc_errors e | isUserError e = Just e
+       tc_errors e@(IOException ioe) | isUserError e = Just e
 #endif
        tc_errors _other = Nothing
        -- type checker failures show up as UserErrors only