Index: ira.c
===================================================================
--- ira.c       (revision 192377)
+++ ira.c       (working copy)
@@ -4233,8 +4233,8 @@ ira (FILE *f)
   if (flag_ira_region == IRA_REGION_ALL || flag_ira_region == IRA_REGION_MIXED)
     {
       flow_loops_find (&ira_loops);
+      current_loops = &ira_loops;
       record_loop_exits ();
-      current_loops = &ira_loops;
     }

   if (internal_flag_ira_verbose > 0 && ira_dump_file != NULL)
@@ -4277,9 +4277,14 @@ ira (FILE *f)
             info.  */
          df_analyze ();

+         /* ??? Rebuild the loop tree, but why?  Does the loop tree
+            change if new insns were generated?  Can that be handled
+            by updating the loop tree incrementally?  */
+         release_recorded_exits ();
+         flow_loops_free (&ira_loops);
          flow_loops_find (&ira_loops);
+         current_loops = &ira_loops;
          record_loop_exits ();
-         current_loops = &ira_loops;

          setup_allocno_assignment_flags ();
          ira_initiate_assign ();
@@ -4363,6 +4368,7 @@ do_reload (void)

   if (current_loops != NULL)
     {
+      release_recorded_exits ();
       flow_loops_free (&ira_loops);
       free_dominance_info (CDI_DOMINATORS);
     }