[libcxx-commits] [libcxx] [libc++] Simplify how the global stream tests are written (PR #66842)

[Vladimir Vereschaka via libcxx-commits]

vvereschaka wrote:

Hi @ldionne,
3 of all those updated tests are getting failed on the win-to-linux arm/aarch64 cross builders:
* https://lab.llvm.org/buildbot/#/builders/60/builds/13995
* https://lab.llvm.org/buildbot/#/builders/119/builds/15195

https://github.com/llvm/llvm-project/pull/66842