Add lithium support for %_GetCachedArrayIndex for IA32 and X64

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
===================================================================
--- src/arm/lithium-arm.h	(revision 7028)
+++ src/arm/lithium-arm.h	(working copy)
@@ -728,25 +728,25 @@
 };
 
 
-class LHasCachedArrayIndex: public LTemplateInstruction<1, 1, 0> {
+class LGetCachedArrayIndex: public LTemplateInstruction<1, 1, 0> {
  public:
-  explicit LHasCachedArrayIndex(LOperand* value) {
+  explicit LGetCachedArrayIndex(LOperand* value) {
     inputs_[0] = value;
   }
 
-  DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndex, "has-cached-array-index")
-  DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndex)
+  DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
+  DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
 };
 
 
-class LGetCachedArrayIndex: public LTemplateInstruction<1, 1, 0> {
+class LHasCachedArrayIndex: public LTemplateInstruction<1, 1, 0> {
  public:
-  explicit LGetCachedArrayIndex(LOperand* value) {
+  explicit LHasCachedArrayIndex(LOperand* value) {
     inputs_[0] = value;
   }
 
-  DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
-  DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
+  DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndex, "has-cached-array-index")
+  DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndex)
 };