BoundsCheck should be extended to support array_bounds_checks_elimination

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
===================================================================
--- src/x64/lithium-x64.h	(revision 11854)
+++ src/x64/lithium-x64.h	(working copy)
@@ -830,17 +830,19 @@
 };
 
 
-class LBoundsCheck: public LTemplateInstruction<0, 2, 0> {
+class LBoundsCheck: public LTemplateInstruction<0, 2, 1> {
  public:
-  LBoundsCheck(LOperand* index, LOperand* length) {
+  LBoundsCheck(LOperand* index, LOperand* length, LOperand* temp) {
     inputs_[0] = index;
     inputs_[1] = length;
+    temps_[0] = temp;
   }
 
   LOperand* index() { return inputs_[0]; }
   LOperand* length() { return inputs_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
+  DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
 };