[all-commits] [llvm/llvm-project] ecfa87: Update diagnostic groups for pre-compat warnings

[Aaron Ballman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ecfa87453113dad6bd9430606a06f7ab728cc21b
      https://github.com/llvm/llvm-project/commit/ecfa87453113dad6bd9430606a06f7ab728cc21b
  Author: Aaron Ballman <aaron at aaronballman.com>
  Date:   2021-03-17 (Wed, 17 Mar 2021)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticGroups.td
    M clang/test/Parser/static_assert.c
    M clang/test/SemaCXX/cxx98-compat-pedantic.cpp
    M clang/test/SemaCXX/inline.cpp

  Log Message:
  -----------
  Update diagnostic groups for pre-compat warnings

As a follow-up to D95691, add new diagnostic groups named
pre-c++N-compat to replace the old diagnostic groups with the standards
listed out explicitly. The old group names are retained for backwards
compatibility.