[PATCH] D55427: [libcxx] Use specialized helper for __bit_reference count

[Marshall Clow via Phabricator]

mclow.lists added a comment.

In D55427#1323656 <https://reviews.llvm.org/D55427#1323656>, @mclow.lists wrote:

> This looks like a behavior change to me.
>  The old code calls `__count_bool_true` if the `_Tp` can be `static_cast` to `bool`, and `__count_bool_false` otherwise.
>  The new code calls `__count_bool_true` if the `_Tp` is exactly `bool`, and `__count_bool_false` otherwise.


Sorry; the old code calls `__count_bool_true` if the `static_cast<bool>(value)` is true, and `__count_bool_false` otherwise.


Repository:
  rCXX libc++

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55427/new/

https://reviews.llvm.org/D55427