[libcxx-commits] [libcxx] [libc++] Check correctly ref-qualified __is_callable in algorithms (PR #73451)

[Louis Dionne via libcxx-commits]

ldionne wrote:

I'll revert. I think that's a bug in the order of arguments I passed to `__is_callable` for `upper_bound`. That wasn't intended.

https://github.com/llvm/llvm-project/pull/73451