static void
EmitReadSlotReturn(CacheIRWriter& writer, JSObject*, JSObject* holder, Shape* shape)
{
// Slot access.
if (holder) {
MOZ_ASSERT(shape);
writer.typeMonitorResult();
} else {
// Normally for this op, the result would have to be monitored by TI.
// However, since this stub ALWAYS returns UndefinedValue(), and we can be sure
// that undefined is already registered with the type-set, this can be avoided.
writer.returnFromIC();
}
}
