* cselib.c (remove_useless_values): Do not access discarded values.

From-SVN: r76478

gcc/ChangeLog

+2004-01-24  Jan Hubicka  <jh@suse.cz>
+
+	* cselib.c (remove_useless_values):  Do not access discarded values.
+
 2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>
 
 	* c-typeck.c (build_conditional_expr): Do not allow non-lvalue

gcc/cselib.c

@@ -357,7 +357,6 @@ remove_useless_values (void)
   while (values_became_useless);
 
   /* Second pass: actually remove the values.  */
-  htab_traverse (hash_table, discard_useless_values, 0);
 
   p = &first_containing_mem;
   for (v = *p; v != &dummy_val; v = v->next_containing_mem)
@@ -368,6 +367,8 @@ remove_useless_values (void)
       }
   *p = &dummy_val;
 
+  htab_traverse (hash_table, discard_useless_values, 0);
+
   if (n_useless_values != 0)
     abort ();
 }