lib/60429: newlocale(3) with base == (locale_t)0 is non-conformant

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>Number:         60429
>Category:       lib
>Synopsis:       newlocale(3) with base == (locale_t)0 is non-conformant
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jul 08 23:05:00 +0000 2026
>Originator:     RVP
>Release:        NetBSD/amd 11.99.6
>Organization:
>Environment:
NetBSD/amd 11.99.6 (latest -HEAD)
>Description:
See:

https://mail-index.netbsd.org/tech-userlevel/2026/03/26/msg014917.html
>How-To-Repeat:
As above
>Fix:
https://mail-index.netbsd.org/tech-userlevel/2026/03/26/msg014918.html