[vta, vta4.4] silence notes during second -fcompare-debug compilation

[vta, vta4.4] silence notes during second -fcompare-debug compilation

[Alexandre Oliva]

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Using -fcompare-debug is not supposed to change anything in the compiler
output, not even stderr.  Turns out the second compilation wasn't
entirely silent: warnings were properly silenced, but notes were making
through.  Fixed with the patch below.  Installing in both braches.


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for  gcc/ChangeLog.vta
from  Alexandre Oliva  <aoliva@redhat.com>

	* diagnostic.c (diagnostic_report_diagnostic): Skip notes during
	the second compare-debug compilation.

Index: gcc/diagnostic.c
===================================================================
--- gcc/diagnostic.c.orig	2009-06-17 06:12:17.000000000 -0300
+++ gcc/diagnostic.c	2009-08-06 08:50:13.000000000 -0300
@@ -322,6 +322,9 @@ diagnostic_report_diagnostic (diagnostic
       && !diagnostic_report_warnings_p (location))
     return false;
 
+  if (diagnostic->kind == DK_NOTE && flag_compare_debug)
+    return false;
+
   if (diagnostic->kind == DK_PEDWARN) 
     diagnostic->kind = pedantic_warning_kind ();
   

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-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer