[libc++] un-disable https://github.com/llvm/llvm-project/blob/main/libcxx/test/std/language.support/support.dynamic/hardware_inference_size.compile.pass.cpp#L10.

[huixie90]

Let's use the interference_size feature. Also, let's un-disable https://github.com/llvm/llvm-project/blob/main/libcxx/test/std/language.support/support.dynamic/hardware_inference_size.compile.pass.cpp#L10. Can you do that as a separate patch?

Originally posted by @ldionne in #161086 (comment)