[libcxx-commits] [libcxx] [libc++] mdspan - implement layout_stride (PR #69650)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne approved this pull request.

All of the review happened on Phabricator at the linked review, but it's currently unresponsive.

LGTM once the CI is green.

https://github.com/llvm/llvm-project/pull/69650