[all-commits] [llvm/llvm-project] 9b128e: [Clang] add support for C23 'H', 'D', and 'DD' len...

Oleksandr Tarasiuk via All-commits all-commits at lists.llvm.org
Mon Jun 8 14:19:08 PDT 2026


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9b128e8b28eb4fd4aa873f984c389dcf9b8fecfd
      https://github.com/llvm/llvm-project/commit/9b128e8b28eb4fd4aa873f984c389dcf9b8fecfd
  Author: Oleksandr Tarasiuk <oleksandr.tarasiuk at outlook.com>
  Date:   2026-06-09 (Tue, 09 Jun 2026)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/AST/FormatString.h
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/AST/FormatString.cpp
    M clang/lib/AST/PrintfFormatString.cpp
    M clang/lib/AST/ScanfFormatString.cpp
    M clang/lib/Sema/SemaChecking.cpp
    A clang/test/Sema/format-strings-decimal.c

  Log Message:
  -----------
  [Clang] add support for C23 'H', 'D', and 'DD' length modifiers (#201098)

This patch adds `-Wformat` support for the C23 `H`, `D`, and `DD` length
modifiers in `printf`/`scanf` format strings. #116962



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