[all-commits] [llvm/llvm-project] d65897: [alpha.webkit.UncountedLocalVarsChecker] Detect an...

[Ryosuke Niwa via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d65897289e68696fa5f5b2d2f449f7633fff13ab
      https://github.com/llvm/llvm-project/commit/d65897289e68696fa5f5b2d2f449f7633fff13ab
  Author: Ryosuke Niwa <rniwa at webkit.org>
  Date:   2026-05-27 (Wed, 27 May 2026)

  Changed paths:
    M clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp
    M clang/test/Analysis/Checkers/WebKit/uncounted-local-vars.cpp
    M clang/test/Analysis/Checkers/WebKit/unretained-local-vars.mm

  Log Message:
  -----------
  [alpha.webkit.UncountedLocalVarsChecker] Detect an assignment to a guardian argument (#198695)

A function parameter of type RefPtr<T>& should not be used as a guardian
variable of a raw pointer/reference variable if the function body
contains an assignment to it since such an assignment can shorten the
lifetime of the guarded object.



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