[libcxx-commits] [libcxx] [libc++] Instantiate hash function externally (PR #127040)

[Mark de Wever via libcxx-commits]

mordante wrote:

> > How would this change impact us when `std::map` becomes `constexpr`?
> 
> `std::hash` is fundamentally not compatible with `constexpr` exectution and was not proposed to be made constexpr, so this doesn't affect us.

not yet ;-) but when it's fundamentally not compatible I don't mind moving it to the dylib.

https://github.com/llvm/llvm-project/pull/127040