standards/58606: C23: <stdbit.h>

[campbell+netbsd%mumble.net@localhost]

>Number:         58606
>Category:       standards
>Synopsis:       C23: <stdbit.h>
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    standards-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Aug 16 11:05:00 +0000 2024
>Originator:     Taylor R Campbell
>Release:        current, 10, 9
>Organization:
The NetBitStD Foundation
>Environment:
>Description:
C23 7.18: Bit and byte utilities <stdbit.h>

https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3096.pdf#page=321

Not sure if we need to write this ourselves or gcc/clang will ship a version in terms of the builtins with appropriate machine-dependent back ends.
>How-To-Repeat:
standards inspection
>Fix:
Yes, please!