[libcxx-commits] [libcxx] [libc++] Fix unnecessary flushes in std::print() on POSIX (PR #70321)

[Mark de Wever via libcxx-commits]

mordante wrote:

I had a look and I think this is not a bug in libc++; it's a bug in the standard. 
https://cplusplus.github.io/LWG/issue4044
This LWG issue will likely be voted in during November 23 plenary.
This is well in time for the LLVM-20 release. So I'll add the LLVM-20 milestone for now.

https://github.com/llvm/llvm-project/pull/70321