re PR middle-end/56461 (GCC is leaking lots of memory)

	PR middle-end/56461
	* ipa-cp.c (decide_whether_version_node): Call vec_free on
	known_aggs[i].items and release known_aggs vector.

From-SVN: r196320

gcc/ChangeLog

 2013-02-27  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/56461
+	* ipa-cp.c (decide_whether_version_node): Call vec_free on
+	known_aggs[i].items and release known_aggs vector.
+
+	PR middle-end/56461
 	* ipa-reference.c (propagate): Free node_info even for alias nodes.
 
 2013-02-27  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

gcc/ipa-cp.c

@@ -3406,6 +3406,9 @@ decide_whether_version_node (struct cgraph_node *node)
       info = IPA_NODE_REF (node);
       info->do_clone_for_all_contexts = false;
       IPA_NODE_REF (clone)->is_all_contexts_clone = true;
+      for (i = 0; i < count ; i++)
+	vec_free (known_aggs[i].items);
+      known_aggs.release ();
       ret = true;
     }
   else