[PATCH] D129832: [sanitizer] Add "mainsrc" prefix to sanitizer special case list

[Fangrui Song via Phabricator via cfe-commits]

MaskRay marked 2 inline comments as done.
MaskRay added inline comments.


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Comment at: clang/docs/SanitizerSpecialCaseList.rst:108
+caution. It may still be useful, e.g. when patterns are picked in a way to
+ensure the prevailing one is ignored.
+
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Added: ``(There is an action at a distance risk.)``


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Comment at: clang/docs/SanitizerSpecialCaseList.rst:110-112
+``mainsrc`` can be useful enabling a ubsan check for a large code base when
+finding the direct stack frame triggering the failure for every failure is
+difficult.
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vitalybuka wrote:
> if this is transitionalt solution, would it be better just to use -fno-sanitize= on *.cpp file?
This provides a more convenient way than using `-fno-sanitize=` for a different set of files.

E.g. if a group wants to ignore a check for all ``[a-m]*` files, then can use `mainsrc:[a-m]*` instead of patching the build system.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D129832