re PR bootstrap/49845 (bootstrap failure)

2011-07-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR bootstrap/49845
	* parser.c (cp_parser_perform_range_for_lookup): Always assign *being
	and *end before returning.

From-SVN: r176765

gcc/cp/ChangeLog

 2011-07-25  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR bootstrap/49845
+	* parser.c (cp_parser_perform_range_for_lookup): Always assign *being
+	and *end before returning.
+
+2011-07-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	PR c++/49838
 	* parser.c (cp_parser_perform_range_for_lookup): Early return if
 	error_operand_p (range).

gcc/cp/parser.c

@@ -8796,7 +8796,10 @@ static tree
 cp_parser_perform_range_for_lookup (tree range, tree *begin, tree *end)
 {
   if (error_operand_p (range))
-    return error_mark_node;
+    {
+      *begin = *end = error_mark_node;
+      return error_mark_node;
+    }
 
   if (!COMPLETE_TYPE_P (complete_type (TREE_TYPE (range))))
     {