ira-build.c (copy_info_to_removed_store_destinations): Initialize parent_a.

	* ira-build.c (copy_info_to_removed_store_destinations):
	Initialize parent_a.

From-SVN: r148551

gcc/ChangeLog

 2009-06-16  Ian Lance Taylor  <iant@google.com>
 
+	* ira-build.c (copy_info_to_removed_store_destinations):
+	Initialize parent_a.
+
+2009-06-16  Ian Lance Taylor  <iant@google.com>
+
 	* c-decl.c (grokdeclarator): Change size_varies to bool.
 
 2009-06-16  Ian Lance Taylor  <iant@google.com>

gcc/ira-build.c

@@ -2394,7 +2394,8 @@ static ira_allocno_t *regno_top_level_allocno_map;
 static bool
 copy_info_to_removed_store_destinations (int regno)
 {
-  ira_allocno_t a, parent_a;
+  ira_allocno_t a;
+  ira_allocno_t parent_a = NULL;
   ira_loop_tree_node_t parent;
   allocno_live_range_t r;
   bool merged_p;