[PATCH] D87237: [ADT] Add ASAN Support for SmallVector

[Nathan James via Phabricator via llvm-commits]

njames93 created this revision.
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Mark addresses that are currently unused in a SmallVector as poisoned. This can help catch some iterator invalidation bugs when the SmallVector grows.

Running the ADTTest suite found an iterator invalidation bug in SmallVectorImpl<T>::insert(iterator, const T&) when the item to insert is contained inside the SmallVector.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87237

Files:
  llvm/include/llvm/ADT/SmallString.h
  llvm/include/llvm/ADT/SmallVector.h
  llvm/lib/Support/Twine.cpp

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