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

[Nikolas Klauser via libcxx-commits]

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philnik777 wrote:

Since this is the patch that makes `__is_terminal_posix` unused I'd rather not keep that tech dept behind.

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