[PATCH] D124051: [DFSan] Print an error before calling null extern_weak functions, incase dfsan instrumentation optimized out a null check.

[Andrew via Phabricator via llvm-commits]

browneee created this revision.
browneee added a reviewer: vitalybuka.
Herald added a subscriber: hiraditya.
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Herald added projects: Sanitizers, LLVM.
Herald added subscribers: llvm-commits, Sanitizers.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D124051

Files:
  compiler-rt/lib/dfsan/dfsan.cpp
  llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
  llvm/test/Instrumentation/DataFlowSanitizer/extern_weak.ll

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