[PATCH] D85947: [DFSan] Don't unmap during dfsan_flush().

[Kostya Serebryany via Phabricator via llvm-commits]

kcc added a comment.

Would it be possible to add a threaded test that fails w/o this change? 
LGTM otherwise, thanks!


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D85947/new/

https://reviews.llvm.org/D85947