[libcxx-commits] [libcxx] [libc++] Add move constructor & assignment to `exception_ptr` (PR #164281)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 commented:

How about we instead add a `swap` and implement `operator= `as `swap(exception_ptr())`? That would avoid having to introduce any new symbols.

https://github.com/llvm/llvm-project/pull/164281