Can DecRef be optimized with refcount.load(std::memory_order_relaxed) == 1?

IncRef:

Can DecRef be optimized with refcount.load(std::memory_order_relaxed) == 1?

IncRef:

Can DecRef be optimized with refcount.load(std::memory_order_relaxed) == 1?

IncRef:

Can DecRef be optimized with refcount.load(std::memory_order_relaxed) == 1?

IncRef: