[clang] [Clang] Re-write codegen for atomic_test_and_set and atomic_clear (PR #120449)

[Eli Friedman via cfe-commits]

https://github.com/efriedma-quic edited 
https://github.com/llvm/llvm-project/pull/120449
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits