Add a note about std::aligned_alloc caveats Doesn't seem worth touching: * MSVC remains a special case * aligned_alloc adds a constraint on alloc size Bug: angleproject:352054650 Change-Id: I20caaf96e70898001c2b9aa698446cfe4803ea0e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5688795 Auto-Submit: Roman Lavrov <romanl@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>