491   void *reallocate(void *OldPtr, uptr NewSize) {  in reallocate()
495     if (UNLIKELY(GuardedAlloc.pointerIsMine(OldPtr))) {  in reallocate()
496       size_t OldSize = GuardedAlloc.getSize(OldPtr);  in reallocate()
499         memcpy(NewPtr, OldPtr, (NewSize < OldSize) ? NewSize : OldSize);  in reallocate()
500       GuardedAlloc.deallocate(OldPtr);  in reallocate()
505     if (UNLIKELY(!Chunk::isAligned(OldPtr)))  in reallocate()
507                      OldPtr);  in reallocate()
509     Chunk::loadHeader(OldPtr, &OldHeader);  in reallocate()
512                      OldPtr);  in reallocate()
516                        "%p\n", OldPtr);  in reallocate()
518     const uptr UsableSize = Chunk::getUsableSize(OldPtr, &OldHeader);  in reallocate()
526       Chunk::compareExchangeHeader(OldPtr, &NewHeader, &OldHeader);  in reallocate()
527       return OldPtr;  in reallocate()
535       memcpy(NewPtr, OldPtr, Min(NewSize, UsableSize));  in reallocate()
536       quarantineOrDeallocateChunk(OldPtr, &OldHeader, OldSize);  in reallocate()