[PATCH] D104975: Implement P1949

[Ade Durcov via Phabricator via cfe-commits]

intractabilis added a comment.

I checked the latest GCC 12. Despite P1949 <https://reviews.llvm.org/P1949> 
support, I can use math symbols like 𝜕 and 𝛻 without any problem with any 
combination of `-std=c++xx`, xx ≠ 98, xx ≠ 03. Thanks, God, there are 
reasonable people in the GCC team.

test.cpp:

  #include <iostream>
  
  int main(int argc, char* argv[]) {
      auto 𝜕Ω = 4;
      std::cout << "𝜕Ω = " << 𝜕Ω << std::endl;
  }



  $ g++ --version
  g++ (GCC) 12.0.1 20220504 (prerelease)
  Copyright (C) 2022 Free Software Foundation, Inc.
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  $ g++ -std=c++23 -o test test.cpp
  $ ./test
  𝜕Ω = 4


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104975/new/

https://reviews.llvm.org/D104975

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