[all-commits] [llvm/llvm-project] a9797d: [C2x] Implement the `unreachable` macro for WG14 N...

[Aaron Ballman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a9797d7d2d7878464868312e0c147b4e747a31c6
      https://github.com/llvm/llvm-project/commit/a9797d7d2d7878464868312e0c147b4e747a31c6
  Author: Aaron Ballman <aaron at aaronballman.com>
  Date:   2023-02-15 (Wed, 15 Feb 2023)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Headers/stddef.h
    A clang/test/C/C2x/n2826.c
    M clang/www/c_status.html

  Log Message:
  -----------
  [C2x] Implement the `unreachable` macro for WG14 N2826

This exposes __builtin_unreachable as the expansion for the unreachable
macro in C2x. I added this definition under __need_STDDEF_H_misc on the
assumption there is no need for a separate need macro to control adding
this.

Differential Revision: https://reviews.llvm.org/D143430