35   struct Segment {  struct
36     Segment *Prev;  argument
37     Segment *Next;  argument
63   static constexpr uint64_t SegmentControlBlockSize = sizeof(Segment *) * 2;
76   static Segment SentinelSegment;
83     Segment *S = &SentinelSegment;
88     Iterator(Segment *IS, uint64_t Off, uint64_t S) XRAY_NEVER_INSTRUMENT  in Iterator()
166   Segment *Head;
167   Segment *Tail;
171   Segment *Freelist;
205   Segment *NewSegment() XRAY_NEVER_INSTRUMENT {  in NewSegment()
258     new (SegmentBlock.Data) Segment{&SentinelSegment, &SentinelSegment, {0}};  in NewSegment()
259     auto SB = reinterpret_cast<Segment *>(SegmentBlock.Data);  in NewSegment()
263   Segment *InitHeadAndTail() XRAY_NEVER_INSTRUMENT {  in InitHeadAndTail()
280   Segment *AppendNewSegment() XRAY_NEVER_INSTRUMENT {  in AppendNewSegment()
646 typename Array<T>::Segment Array<T>::SentinelSegment{