[patch] don't allocate/free unused pointer set in verify_cgraph_node

[Steven Bosscher]

Hello,

Looks like a remnant from pre GIMPLE tuples days.
Will commit as obvious.

Ciao!
Steven


        * cgraph.c (verify_cgraph_node): Don't allocate/free visited_nodes set.

Index: cgraph.c
===================================================================
--- cgraph.c    (revision 194491)
+++ cgraph.c    (working copy)
@@ -2498,9 +2498,6 @@ verify_cgraph_node (struct cgraph_node *
     {
       if (this_cfun->cfg)
        {
-         /* The nodes we're interested in are never shared, so walk
-            the tree ignoring duplicates.  */
-         struct pointer_set_t *visited_nodes = pointer_set_create ();
          /* Reach the trees by walking over the CFG, and note the
             enclosing basic-blocks in the call edges.  */
          FOR_EACH_BB_FN (this_block, this_cfun)
@@ -2550,7 +2547,6 @@ verify_cgraph_node (struct cgraph_node *
                      }
                  }
              }
-         pointer_set_destroy (visited_nodes);
        }
       else
        /* No CFG available?!  */