bt-load.c (migrate_btr_defs): Get the key of a heap entry before removing it, not after.

	* bt-load.c (migrate_btr_defs): Get the key of a heap entry
	before removing it, not after.

From-SVN: r218056

gcc/ChangeLog

 2014-11-25  Segher Boessenkool  <segher@kernel.crashing.org>
 
+	* bt-load.c (migrate_btr_defs): Get the key of a heap entry
+	before removing it, not after.
+
+2014-11-25  Segher Boessenkool  <segher@kernel.crashing.org>
+
 	* config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Remove
 	PATTERN call.
 

gcc/bt-load.c

@@ -1434,8 +1434,8 @@ migrate_btr_defs (enum reg_class btr_class, int allow_callee_save)
 
   while (!all_btr_defs.empty ())
     {
-      btr_def def = all_btr_defs.extract_min ();
       int min_cost = -all_btr_defs.min_key ();
+      btr_def def = all_btr_defs.extract_min ();
       if (migrate_btr_def (def, min_cost))
 	{
 	  all_btr_defs.insert (-def->cost, def);