[libcxx-commits] [libcxx] [libcxx][test] Use long double test macro in strong_order.pass.cpp (PR #106742)

[A. Jiang via libcxx-commits]

https://github.com/frederick-vs-ja approved this pull request.

LGTM. The "16 byte" part in the comments is a bit imprecise as if `long double` is of Intel 80-bit format and the platform is 32-bit, `sizeof(long dobule)` is usually 12. But I think we can improve this later.

https://github.com/llvm/llvm-project/pull/106742