tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize scratch field for goto case.

	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
	scratch field for goto case.

From-SVN: r234639

gcc/ChangeLog

+2016-03-31  Bin Cheng  <bin.cheng@arm.com>
+
+	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
+	scratch field for goto case.
+
 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.

gcc/tree-ssa-loop-ivopts.c

@@ -5030,7 +5030,9 @@ fallback:
     if (address_p)
       comp = build_simple_mem_ref (comp);
 
-    return new_cost (computation_cost (comp, speed), 0);
+    cost = new_cost (computation_cost (comp, speed), 0);
+    cost.scratch = 0;
+    return cost;
   }
 }