[all-commits] [llvm/llvm-project] 2c3140: [alpha.webkit.UnretainedLambdaCapturesChecker] Add...

[Ryosuke Niwa via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2c31403f4f301214cb87e929c4d032bd2f4617f4
      https://github.com/llvm/llvm-project/commit/2c31403f4f301214cb87e929c4d032bd2f4617f4
  Author: Ryosuke Niwa <rniwa at webkit.org>
  Date:   2025-04-09 (Wed, 09 Apr 2025)

  Changed paths:
    M clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLambdaCapturesChecker.cpp
    M clang/test/Analysis/Checkers/WebKit/unretained-lambda-captures-arc.mm
    M clang/test/Analysis/Checkers/WebKit/unretained-lambda-captures.mm

  Log Message:
  -----------
  [alpha.webkit.UnretainedLambdaCapturesChecker] Add the support for protectedSelf (#132518)

This PR adds the support for treating capturing of "self" as safe if the
lambda simultaneously captures "protectedSelf", which is a RetainPtr of
"self".

This PR also fixes a bug that the checker wasn't generating a warning
when "self" is implicitly captured. Note when "self" is implicitly
captured, we use the lambda's getBeginLoc as a fallback source location.



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