re PR debug/45419 (-fcompare-debug failure at -O3)

	PR debug/45419
	* tree-ssa-live.c (dump_enumerated_decls): Clear the whole wi variable.

From-SVN: r163654

gcc/ChangeLog

 2010-08-30  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/45419
+	* tree-ssa-live.c (dump_enumerated_decls): Clear the whole wi variable.
+
 	PR middle-end/45423
 	* gimplify.c (goa_stabilize_expr): Handle TRUTH_NOT_EXPR
 	and TRUTH_{AND,OR,XOR}_EXPR.

gcc/tree-ssa-live.c

@@ -1245,8 +1245,8 @@ dump_enumerated_decls (FILE *file, int flags)
   struct walk_stmt_info wi;
   VEC (numbered_tree, heap) *decl_list = VEC_alloc (numbered_tree, heap, 40);
 
+  memset (&wi, '\0', sizeof (wi));
   wi.info = (void*) decl_list;
-  wi.pset = NULL;
   FOR_EACH_BB (bb)
     {
       gimple_stmt_iterator gsi;