private:
- folly::AtomicStruct<LifoSemHead,Atom> head_
- FOLLY_ALIGN_TO_AVOID_FALSE_SHARING;
+ FOLLY_ALIGN_TO_AVOID_FALSE_SHARING
+ folly::AtomicStruct<LifoSemHead,Atom> head_;
char padding_[folly::detail::CacheLocality::kFalseSharingRange -
sizeof(LifoSemHead)];