[llvm-branch-commits] [libcxx] release/20.x: [libc++] Add _LIBCPP_NO_UNIQUE_ADDRESS to flat_{, multi}map::value_compare (#137594) (PR #138880)

[via llvm-branch-commits]

github-actions[bot] wrote:

@ldionne (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix.  When you are done, please add the release:note label to this PR. 

https://github.com/llvm/llvm-project/pull/138880