tree-ssa-loop-ivopts.c (record_sub_use): Don't reset ssa_name field in struct iv.

	* tree-ssa-loop-ivopts.c (record_sub_use): Don't reset ssa_name
	field in struct iv.

From-SVN: r225159

gcc/ChangeLog

+2015-06-30  Bin Cheng  <bin.cheng@arm.com>
+
+	* tree-ssa-loop-ivopts.c (record_sub_use): Don't reset ssa_name
+	field in struct iv.
+
 2015-06-29  Jack Howarth  <howarth.at.gcc@gmail.com>
 
 	PR target/66509

gcc/tree-ssa-loop-ivopts.c

@@ -1386,10 +1386,6 @@ record_sub_use (struct ivopts_data *data, tree *use_p,
       pre->next = use;
     }
 
-  /* To avoid showing ssa name in the dumps, if it was not reset by the
-     caller.  */
-  iv->ssa_name = NULL_TREE;
-
   return use;
 }