William Tran-Viet 7bc05a8829
[libc++] Resolve LWG4439 and LWG4300 (#174257)
Resolves #171340 implemented in #155202

Resolves #171402 implemented in #155202

- Add `swap` test for `optional<T&>` to ensure an ADL-found swap isn't
selected.
- Drive-by: Update documentation for LWG4300 since it's already
completed
2026-01-03 23:28:11 +08:00
..