[all-commits] [llvm/llvm-project] 4b85c1: [clang-tidy] Fix false positive in readability-red...

[Aditya Singh via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4b85c1301fb61c6965a5143113f5170a4b062e3a
      https://github.com/llvm/llvm-project/commit/4b85c1301fb61c6965a5143113f5170a4b062e3a
  Author: Aditya Singh <aditya26189 at kgpian.iitkgp.ac.in>
  Date:   2026-03-04 (Wed, 04 Mar 2026)

  Changed paths:
    M clang-tools-extra/clang-tidy/readability/RedundantPreprocessorCheck.cpp
    M clang-tools-extra/docs/ReleaseNotes.rst
    M clang-tools-extra/test/clang-tidy/checkers/readability/redundant-preprocessor.cpp

  Log Message:
  -----------
  [clang-tidy] Fix false positive in readability-redundant-preprocessor for builtin checks (#181734)

Different `__has_builtin()` checks were incorrectly flagged as redundant
because ConditionRange collapsed after macro expansion. It now reads
condition text directly from source to fix this.

Assisted-by: Claude
Fixes #64825



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