llvm-project

4c9d1bdf - [libc++] Implement P3836R2: Make `optional<T&>` trivially copyable (#171528)

[libc++] Implement P3836R2: Make `optional<T&>` trivially copyable (#171528) Resolves #171275 - `*_assign_base` base class trivial overloads needed to be updated to allow references. - Add tests - Update release notes