[backport gcc-4.8/trunk r192754 <mikpe@it.uu.se>]

gcc/

2012-10-23  Jeff Law  <law@redhat.com>

	* tree-ssa-threadedge.c (thread_across_edge): Remove unused
	parameter in call to cond_arg_set_in_bb.

--- gcc-4.7.2/gcc/tree-ssa-threadedge.c.~1~	2012-10-27 13:53:48.000000000 +0200
+++ gcc-4.7.2/gcc/tree-ssa-threadedge.c	2012-10-27 13:55:08.000000000 +0200
@@ -745,7 +745,7 @@ thread_across_edge (gimple dummy_cond,
      safe to thread this edge.  */
   if (e->flags & EDGE_DFS_BACK)
     {
-      if (cond_arg_set_in_bb (e, e->dest, 1))
+      if (cond_arg_set_in_bb (e, e->dest))
 	goto fail;
     }
 
@@ -789,7 +789,7 @@ thread_across_edge (gimple dummy_cond,
 	     of threading without having to re-run DOM or VRP.  */
 	  if (dest
 	      && ((e->flags & EDGE_DFS_BACK) == 0
-		  || ! cond_arg_set_in_bb (taken_edge, e->dest, 2)))
+		  || ! cond_arg_set_in_bb (taken_edge, e->dest)))
 	    {
 	      /* We don't want to thread back to a block we have already
  		 visited.  This may be overly conservative.  */
@@ -848,7 +848,7 @@ thread_across_edge (gimple dummy_cond,
 	do
 	  {
 	    if ((e->flags & EDGE_DFS_BACK) == 0
-		|| ! cond_arg_set_in_bb (e3, e->dest, 3))
+		|| ! cond_arg_set_in_bb (e3, e->dest))
 	      e2 = thread_around_empty_block (e3,
 					      dummy_cond,
 					      handle_dominating_asserts,