[all-commits] [llvm/llvm-project] db4c25: [scudo] Check if we use __clang_major__ >= 12

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: db4c25822a1d9458f961eeb6cecf8a7bbce05b13
      https://github.com/llvm/llvm-project/commit/db4c25822a1d9458f961eeb6cecf8a7bbce05b13
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2021-07-09 (Fri, 09 Jul 2021)

  Changed paths:
    M compiler-rt/lib/scudo/standalone/memtag.h

  Log Message:
  -----------
  [scudo] Check if we use __clang_major__ >= 12

This makes sure we have support for MTE instructions.
Later the check can be extended to support MTE on other compilers.

Reviewed By: pcc

Differential Revision: https://reviews.llvm.org/D105722