re PR lto/56147 (ICE on invalid code in lto_symtab_merge_decls_1)

2013-01-30  Richard Biener  <rguenther@suse.de>

	PR lto/56147
	* lto-symtab.c (lto_symtab_merge_decls_1): Guard DECL_BUILT_IN
	check.

From-SVN: r195575

gcc/ChangeLog

+2013-01-30  Richard Biener  <rguenther@suse.de>
+
+	PR lto/56147
+	* lto-symtab.c (lto_symtab_merge_decls_1): Guard DECL_BUILT_IN
+	check.
+
 2013-01-30  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR tree-optimization/56064

gcc/lto-symtab.c

@@ -443,7 +443,8 @@ lto_symtab_merge_decls_1 (symtab_node first)
       else if (TREE_CODE (prevailing->symbol.decl) == FUNCTION_DECL)
 	{
 	  for (e = first; e; e = e->symbol.next_sharing_asm_name)
-	    if (DECL_BUILT_IN (e->symbol.decl))
+	    if (TREE_CODE (e->symbol.decl) == FUNCTION_DECL
+		&& DECL_BUILT_IN (e->symbol.decl))
 	      {
 		prevailing = e;
 		break;