[libcxx-commits] [libcxx] [libc++] Fix insert() calling incorrect constructors (PR #146231)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

> Are you at all concerned by the removal of the optimizations here?
> 
> Could we add some tests to establish exactly how much performance is being lost?

Could you elaborate which optimizations you are talking about? AFAICT `__emplace_unique` does the same unwrapping `__insert_unique` does (though, granted, with a bit more metaprogramming trickery).

https://github.com/llvm/llvm-project/pull/146231