34   struct Segment {  struct
35     Segment *Prev;  argument
36     Segment *Next;  argument
62   static constexpr uint64_t SegmentControlBlockSize = sizeof(Segment *) * 2;
75   static Segment SentinelSegment;
82     Segment *S = &SentinelSegment;
87     Iterator(Segment *IS, uint64_t Off, uint64_t S) XRAY_NEVER_INSTRUMENT  in Iterator()
165   Segment *Head;
166   Segment *Tail;
170   Segment *Freelist;
204   Segment *NewSegment() XRAY_NEVER_INSTRUMENT {  in NewSegment()
257     new (SegmentBlock.Data) Segment{&SentinelSegment, &SentinelSegment, {0}};  in NewSegment()
258     auto SB = reinterpret_cast<Segment *>(SegmentBlock.Data);  in NewSegment()
262   Segment *InitHeadAndTail() XRAY_NEVER_INSTRUMENT {  in InitHeadAndTail()
279   Segment *AppendNewSegment() XRAY_NEVER_INSTRUMENT {  in AppendNewSegment()
645 typename Array<T>::Segment Array<T>::SentinelSegment{