[PATCH] Avoid fix_loop_structure being called twice from tracer

[Richard Biener]

Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.

Richard.

2013-02-06  Richard Biener  <rguent...@suse.de>

        * tracer.c (tracer): Mark loops with LOOPS_NEED_FIXUP
        instead of calling fix_loop_structure.

Index: gcc/tracer.c
===================================================================
--- gcc/tracer.c        (revision 195784)
+++ gcc/tracer.c        (working copy)
@@ -380,9 +380,9 @@ tracer (void)
   if (changed)
     {
       free_dominance_info (CDI_DOMINATORS);
-      calculate_dominance_info (CDI_DOMINATORS);
+      /* If we changed the CFG schedule loops for fixup by cleanup_cfg.  */
       if (current_loops)
-       fix_loop_structure (NULL);
+       loops_state_set (LOOPS_NEED_FIXUP);
     }
 
   if (dump_file)