/* static */ void ArgumentsObject::MaybeForwardToCallObject(ion::IonJSFrameLayout *frame, HandleObject callObj, JSObject *obj, ArgumentsData *data) { RawFunction callee = ion::CalleeTokenToFunction(frame->calleeToken()); RawScript script = callee->nonLazyScript(); if (callee->isHeavyweight() && script->argsObjAliasesFormals()) { JS_ASSERT(callObj && callObj->isCall()); obj->initFixedSlot(MAYBE_CALL_SLOT, ObjectValue(*callObj.get())); for (AliasedFormalIter fi(script); fi; fi++) data->args[fi.frameIndex()] = MagicValue(JS_FORWARD_TO_CALL_OBJECT); } }