[libcxx-commits] [libcxx] [llvm] [libcxx] Speed up xsgetn for always_noconv (PR #212010)

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aokblast wrote:

@ldionne @philnik777 I am wondering if there is any concern to merge this? I will remove the benchmark fix from this patch as I have merged this to trunk.

https://github.com/llvm/llvm-project/pull/212010