[libcxx-commits] [libcxx] [libc++] Apply the predicate exactly N times in stable_partition (PR #203949)

[David Meng via libcxx-commits]

davidmenggx wrote:

@ldionne Thank you for taking a look at this. My main question is why there is an asymmetry between the forward and backward scan loops to begin with? That loop seems to date back to < llvm3.3.

Tests also simplified

https://github.com/llvm/llvm-project/pull/203949