[all-commits] [llvm/llvm-project] db1773: [clang-tidy] Fix infinite loop in misc-multiple-in...

[Purna Chandra via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: db17738290efb586b9700bbecef3a82084a9c5f4
      https://github.com/llvm/llvm-project/commit/db17738290efb586b9700bbecef3a82084a9c5f4
  Author: Purna Chandra <vennelapurnachandra2006 at gmail.com>
  Date:   2026-09-22 (Tue, 22 Sep 2026)

  Changed paths:
    M clang-tools-extra/clang-tidy/misc/MultipleInheritanceCheck.cpp
    M clang-tools-extra/docs/ReleaseNotes.md
    M clang-tools-extra/test/clang-tidy/checkers/misc/multiple-inheritance.cpp

  Log Message:
  -----------
  [clang-tidy] Fix infinite loop in misc-multiple-inheritance (#220223)

This PR contains the fix for the infinite loop in
`misc-multiple-inheritance`. The checker was getting stuck in an
infinite cycle when it encountered circular inheritance. I fixed this by
adding a visited map (`InterfaceMap.try_emplace(Node, false)`) to break
the cycle during the DFS traversal.

Part of #213948.



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