[project @ 2000-07-07 12:12:48 by simonpj]

Fix duplicate class assertion error msg

diff --git a/ghc/compiler/rename/RnSource.lhs b/ghc/compiler/rename/RnSource.lhs
index 60615a9..ddacf62 100644 (file)
--- a/ghc/compiler/rename/RnSource.lhs
+++ b/ghc/compiler/rename/RnSource.lhs
@@ -11,7 +11,7 @@ module RnSource ( rnDecl, rnSourceDecls, rnHsType, rnHsSigType ) where
 import RnExpr
 import HsSyn
 import HsPragmas
-import HsTypes         ( getTyVarName )
+import HsTypes         ( getTyVarName, pprHsContext )
 import RdrName         ( RdrName, isRdrDataCon, rdrNameOcc, isRdrTyVar, mkRdrNameWkr )
 import RdrHsSyn                ( RdrNameContext, RdrNameHsType, RdrNameConDecl,
                          extractRuleBndrsTyVars, extractHsTyRdrTyVars,
@@ -977,7 +977,7 @@ dupClassAssertWarn ctxt (assertion : dups)
   = sep [hsep [ptext SLIT("Duplicate class assertion"), 
               quotes (ppr assertion),
               ptext SLIT("in the context:")],
-        nest 4 (ppr ctxt <+> ptext SLIT("..."))]
+        nest 4 (pprHsContext ctxt <+> ptext SLIT("..."))]
 
 naughtyCCallContextErr (HsPClass clas _)
   = sep [ptext SLIT("Can't use class") <+> quotes (ppr clas),