[all-commits] [llvm/llvm-project] afa567: [Clang][Sema] Add fortify warnings for poll, ppoll...

[Venkatesh Srinivasan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: afa5673a691929dc2af7b08b69cc6541d3d1f064
      https://github.com/llvm/llvm-project/commit/afa5673a691929dc2af7b08b69cc6541d3d1f064
  Author: Venkatesh Srinivasan <156861430+venk-ks at users.noreply.github.com>
  Date:   2026-09-29 (Tue, 29 Sep 2026)

  Changed paths:

  Log Message:
  -----------
  [Clang][Sema] Add fortify warnings for poll, ppoll, and ppoll64 (#226261)

Add `-Wfortify-source` diagnostics for `poll`, `ppoll`, and `ppoll64` when the byte size required for `nfds` descriptors (`nfds * sizeof(*fds)`) exceeds the destination `fds` buffer size.

Supersedes the `poll` portion of #177286 (similar to #198130 for `umask`).

Part of #142230

Assisted-by: Gemini



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