Fix Trac #2331 (error message suggestion)

diff --git a/compiler/parser/RdrHsSyn.lhs b/compiler/parser/RdrHsSyn.lhs
index b4d0e85..aeb80a2 100644 (file)
--- a/compiler/parser/RdrHsSyn.lhs
+++ b/compiler/parser/RdrHsSyn.lhs
@@ -689,7 +689,7 @@ checkAPat loc e = case e of
        | bang == bang_RDR 
        -> do { bang_on <- extension bangPatEnabled
              ; if bang_on then checkLPat e >>= (return . BangPat)
-               else parseError loc "Illegal bang-pattern (use -fbang-patterns)" }
+               else parseError loc "Illegal bang-pattern (use -XBangPatterns)" }
 
    ELazyPat e        -> checkLPat e >>= (return . LazyPat)
    EAsPat n e        -> checkLPat e >>= (return . AsPat n)