[libcxx-commits] [libcxx] [libc++] Make `std::reference_constructs_from_temporary` SFINAE friendly when the 1st template argument is not a reference type (PR #206679)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 requested changes to this pull request.

I'm not convinced this is worth the complexity. This adds a workaround for older compilers, so this will be obsolete in a year anyways, and for that it's way too complicated of a fix IMO.

https://github.com/llvm/llvm-project/pull/206679