IndexedMemPool: Fix race condition on size_ that can cause the destructor to...
IndexedMemPool: Fix race condition on size_ that can cause the destructor to access nonexistent slots Summary: Contention on allocation when there is exactly one slot remaining can cause size_ to exceed actualCapacity_. Without taking the min of size_ and actualCapacity_ the destructor may try to destroy out-of-bound slots. Added a test to test/IndexedMemPoolTest.cpp that failed before the fix and passes after the fix. Reviewed By: nbronson Differential Revision: D4837251 fbshipit-source-id: a887487727f17eaf2ba66345f40fc91d2fe3bc00
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