41     BackRefBlock(const BackRefBlock *blockToUse, intptr_t num) :  in BackRefBlock()
42 …     nextForUse(nullptr), bumpPtr((FreeObject*)((uintptr_t)blockToUse + slabSize - sizeof(void*))),  in BackRefBlock()
263     BackRefBlock *blockToUse;  in newBackRef()  local
270         blockToUse = backRefMain.load(std::memory_order_relaxed)->findFreeBlock();  in newBackRef()
271         if (!blockToUse)  in newBackRef()
275             MallocMutex::scoped_lock lock(blockToUse->blockMutex);  in newBackRef()
277             if (blockToUse->freeList) {  in newBackRef()
278                 toUse = (void**)blockToUse->freeList;  in newBackRef()
279                 blockToUse->freeList = blockToUse->freeList->next;  in newBackRef()
280                 MALLOC_ASSERT(!blockToUse->freeList ||  in newBackRef()
281                               ((uintptr_t)blockToUse->freeList>=(uintptr_t)blockToUse  in newBackRef()
282                                && (uintptr_t)blockToUse->freeList <  in newBackRef()
283                                (uintptr_t)blockToUse + slabSize), ASSERT_TEXT);  in newBackRef()
284             } else if (blockToUse->allocatedCount.load(std::memory_order_relaxed) < BR_MAX_CNT) {  in newBackRef()
285                 toUse = (void**)blockToUse->bumpPtr;  in newBackRef()
286                 blockToUse->bumpPtr =  in newBackRef()
287                     (FreeObject*)((uintptr_t)blockToUse->bumpPtr - sizeof(void*));  in newBackRef()
288                 if (blockToUse->allocatedCount.load(std::memory_order_relaxed) == BR_MAX_CNT-1) {  in newBackRef()
289                     MALLOC_ASSERT((uintptr_t)blockToUse->bumpPtr  in newBackRef()
290                                   < (uintptr_t)blockToUse+sizeof(BackRefBlock),  in newBackRef()
292                     blockToUse->bumpPtr = nullptr;  in newBackRef()
296                 if (!blockToUse->allocatedCount.load(std::memory_order_relaxed) &&  in newBackRef()
300 …blockToUse->allocatedCount.store(blockToUse->allocatedCount.load(std::memory_order_relaxed) + 1, s…  in newBackRef()
309     res.main = blockToUse->myNum;  in newBackRef()
311         ((uintptr_t)toUse - ((uintptr_t)blockToUse + sizeof(BackRefBlock)))/sizeof(void*);  in newBackRef()