re PR middle-end/57500 (Segfault in ipa_record_reference)

2013-06-04  Jan Hubicka  <jh@suse.cz>

        PR middle-end/57500
        * cgraphunit.c (cgraph_process_same_body_aliases): Create
        non-VAR_DECL node if it does not exist yet.

From-SVN: r199634

gcc/ChangeLog

+2013-06-04  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/57500
+	* cgraphunit.c (cgraph_process_same_body_aliases): Create
+	non-VAR_DECL node if it does not exist yet.
+
 2013-06-03  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* config.gcc (mipsisa64sr71k-*-elf*, mipsisa64sb1-*-elf*)

gcc/cgraphunit.c

@@ -656,8 +656,11 @@ cgraph_process_same_body_aliases (void)
   symtab_node node;
   FOR_EACH_SYMBOL (node)
     if (node->symbol.cpp_implicit_alias && !node->symbol.analyzed)
-      symtab_resolve_alias (node,
-			    symtab_get_node (node->symbol.alias_target));
+      symtab_resolve_alias
+        (node,
+	 TREE_CODE (node->symbol.alias_target) == VAR_DECL
+	 ? (symtab_node)varpool_node_for_decl (node->symbol.alias_target)
+	 : (symtab_node)cgraph_get_create_node (node->symbol.alias_target));
   cpp_implicit_aliases_done = true;
 }