From: simonpj <unknown>
Date: Thu, 26 Sep 2002 08:44:48 +0000 (+0000)
Subject: [project @ 2002-09-26 08:44:48 by simonpj]
X-Git-Tag: Approx_11550_changesets_converted~1627
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=9ed152764fdc44fbc077751b3442fc7f59306596;p=ghc-hetmet.git

[project @ 2002-09-26 08:44:48 by simonpj]
Bale out a little earlier on renamer errors
---

diff --git a/ghc/compiler/rename/RnSource.lhs b/ghc/compiler/rename/RnSource.lhs
index a368122..a56b099 100644
--- a/ghc/compiler/rename/RnSource.lhs
+++ b/ghc/compiler/rename/RnSource.lhs
@@ -99,6 +99,8 @@ rnSrcDecls decls
 	updGblEnv (\gbl -> gbl { tcg_fix_env = fix_env })
 		  $ do {
 
+	failIfErrsM ;	-- No point in continuing if (say) we have duplicate declarations
+
 		-- Rename remaining declarations
 	(rn_src_decls, src_fvs) <- rn_src_decls decls ;