[PATCH] D23616: [Asan] Add __asan_memset_real to allow poisoning shadow directly from instrumented code

[Vitaly Buka via llvm-commits]

vitalybuka created this revision.
vitalybuka added reviewers: kcc, eugenis.
vitalybuka added a subscriber: llvm-commits.
Herald added a subscriber: kubabrecka.

Small allocas will be poisoned using direct store instructions, for
larger allocas we'd like to insert function calls.

PR27453

https://reviews.llvm.org/D23616

Files:
  lib/asan/asan_interface_internal.h
  lib/asan/asan_poisoning.cc
  lib/asan/asan_rtl.cc
  lib/asan/asan_win_dll_thunk.cc

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