From: Ian Lynagh <igloo@earth.li>
Date: Tue, 28 Apr 2009 23:28:48 +0000 (+0000)
Subject: Fix error handling
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=e213baf0e233efca39d627efcbabeeaac14f3e5c;p=ghc-hetmet.git

Fix error handling
After the fix to #2500, we could get "Failing due to -Werror." but no
warnings printed. Now we don't fail in that case.
---

diff --git a/compiler/main/HeaderInfo.hs b/compiler/main/HeaderInfo.hs
index 8f5d020..5f4fc7c 100644
--- a/compiler/main/HeaderInfo.hs
+++ b/compiler/main/HeaderInfo.hs
@@ -59,9 +59,10 @@ getImports dflags buf filename source_filename = do
   case unP parseHeader (mkPState buf loc dflags) of
     PFailed span err -> parseError span err
     POk pst rdr_module -> do
-      let ms@(_warns, errs) = getMessages pst
+      let _ms@(_warns, errs) = getMessages pst
       -- don't log warnings: they'll be reported when we parse the file
       -- for real.  See #2500.
+          ms = (emptyBag, errs)
       -- logWarnings warns
       if errorsFound dflags ms
         then liftIO $ throwIO $ mkSrcErr errs