From patchwork Sat Jul 10 00:18:44 2010
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Subject: Fix write_symbol testsuite ICE
Date: Fri, 09 Jul 2010 14:18:44 -0000
From: Jan Hubicka <hubicka@ucw.cz>
X-Patchwork-Id: 58446
Message-Id: <20100710001844.GK9621@kam.mff.cuni.cz>
To: gcc-patches@gcc.gnu.org

Hi,
this patch fixes the ICE while streaming out alias nodes.  It is all somewhat ugly,
since some aliases have varpool/cgraph nodes while others doesn't depending on
if they are or are not used in code...

Bootstrapped/regtested x86_64-linux, comitted as obvious.

Honza

2010-07-09  Jan Hubicka  <jh@suse.cz>

	* lto-streamer-out.c (produce_symtab): Do not write alias cgraph/varpool
	nodes.


Index: lto-streamer-out.c
===================================================================
--- lto-streamer-out.c	(revision 161956)
+++ lto-streamer-out.c	(working copy)
@@ -2399,6 +2399,8 @@ produce_symtab (struct output_block *ob,
   for (i = 0; i < lto_cgraph_encoder_size (encoder); i++)
     {
       node = lto_cgraph_encoder_deref (encoder, i);
+      if (node->alias)
+	continue;
       write_symbol (cache, &stream, node->decl, seen, false);
       for (alias = node->same_body; alias; alias = alias->next)
         write_symbol (cache, &stream, alias->decl, seen, true);
@@ -2408,6 +2410,8 @@ produce_symtab (struct output_block *ob,
   for (i = 0; i < lto_varpool_encoder_size (varpool_encoder); i++)
     {
       vnode = lto_varpool_encoder_deref (varpool_encoder, i);
+      if (vnode->alias)
+	continue;
       write_symbol (cache, &stream, vnode->decl, seen, false);
       for (valias = vnode->extra_name; valias; valias = valias->next)
         write_symbol (cache, &stream, valias->decl, seen, true);