[llvm-branch-commits] [libcxx] release/23.x: [libc++] Opt `std::*set` out of map key extraction optimization (#220452) (PR #222641)

[Nikolas Klauser via llvm-branch-commits]

philnik777 wrote:

> The pre-merge testing is showing a test failure in `llvm-libc++-shared.cfg.in :: std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp`, can you confirm that this is not related to this change?

It's not.

> Also I notice that this is changing the number of template arguments for `__try_key_extraction_impl()`, can you confirm that this will not cause an ABI break?

It won't.

https://github.com/llvm/llvm-project/pull/222641