[libcxx-commits] [libcxx] [libcxx] makes `pair` conditionally trivially copyable for C++20 (PR #84811)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

Isn't this an ODR violation when compiling pre-C++20 code and C++20 code in the unstable ABI? Why didn't the return type SFINAE not work out?

https://github.com/llvm/llvm-project/pull/84811