[PATCH] D138329: [-Wunsafe-buffer-usage] Add a new recursive matcher to replace `forEachDescendant` in unsafe buffer check

[Ziqing Luo via Phabricator via cfe-commits]

ziqingluo-90 created this revision.
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Add a new matcher `forEveryDescendant` that recursively matches descendants of a `Stmt` but skips nested callable definitions.
This matcher has same effect as using `forEachDescendant` and skipping `forCallable` explicitly but does not require the AST construction to be complete.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138329

Files:
  clang/lib/Analysis/UnsafeBufferUsage.cpp
  clang/test/SemaCXX/warn-unsafe-buffer-usage.cpp

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