Fix loading the global receiver on ARM.

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/138463002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18593 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-codegen-arm.cc

@@ -3505,8 +3505,7 @@ void LCodeGen::DoWrapReceiver(LWrapReceiver* instr) {
   __ bind(&global_object);
   __ ldr(receiver, FieldMemOperand(function, JSFunction::kContextOffset));
   __ ldr(receiver,
-         ContextOperand(receiver,
-                        Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+         ContextOperand(receiver, Context::GLOBAL_OBJECT_INDEX));
   __ ldr(receiver,
          FieldMemOperand(receiver, GlobalObject::kGlobalReceiverOffset));