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Date:      Wed, 22 Jul 2009 01:07:11 +0000 (UTC)
From:      Bruce M Simpson <bms@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r195815 - head/contrib/gcc
Message-ID:  <200907220107.n6M17BCA026834@svn.freebsd.org>

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Author: bms
Date: Wed Jul 22 01:07:11 2009
New Revision: 195815
URL: http://svn.freebsd.org/changeset/base/195815

Log:
  Output DWARF debug information for global 'using' declarations, instead
  of just blowing up. A very similar change to this exists which is
  GPLv3 licensed, this is my own change.
  
  This problem was triggered by running the Boost regression tests.
  
  See also:	http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31899
  Reviewed by:	luigi
  Approved by:	re (kib)

Modified:
  head/contrib/gcc/dwarf2out.c

Modified: head/contrib/gcc/dwarf2out.c
==============================================================================
--- head/contrib/gcc/dwarf2out.c	Tue Jul 21 21:58:55 2009	(r195814)
+++ head/contrib/gcc/dwarf2out.c	Wed Jul 22 01:07:11 2009	(r195815)
@@ -10007,7 +10007,7 @@ reference_to_unused (tree * tp, int * wa
     return NULL_TREE;
   else if (!cgraph_global_info_ready
 	   && (TREE_CODE (*tp) == VAR_DECL || TREE_CODE (*tp) == FUNCTION_DECL))
-    gcc_unreachable ();
+    return *tp;
   else if (DECL_P (*tp) && TREE_CODE (*tp) == VAR_DECL)
     {
       struct cgraph_varpool_node *node = cgraph_varpool_node (*tp);



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