[libcxx-commits] [libcxx] [libc++] Implement LWG3476: Remove incorrect decay-copy in std::async and add some QoL improvements (PR #173363)

[Marcell Leleszi via libcxx-commits]

mleleszi wrote:

@frederick-vs-ja Fair point, reworded the title and the description to better reflect the changes

https://github.com/llvm/llvm-project/pull/173363