tree c0df649dc3007b318331970625b085e7d140852c
parent 2564f2cd54ea780cfb1f8362d85fa29dc57e3a72
author A. Jiang <de34@live.cn> 1739927211 +0800
committer Copybara-Service <copybara-worker@google.com> 1739927439 -0800

[libc++] Set feature-test macro `__cpp_lib_atomic_float` (#127559)

The corresponding feature was implemented in LLVM 18 (by #67799), but
this FTM wasn't added before.

GitOrigin-RevId: 2207e3e32549306bf563c6987f790cabe8d4ea78