[libcxx-commits] [libcxx] [libc++] `std::ranges::advance`: avoid unneeded bounds checks when advancing iterator (PR #84126)

[Jan Kokemüller via libcxx-commits]

jiixyj wrote:

I added some tests that check that the equality comparison operator isn't called unnecessarily by adding another counter to `stride_counting_iterator`.

https://github.com/llvm/llvm-project/pull/84126