https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117214
--- Comment #9 from XU Kailiang <xu2k3l4 at outlook dot com> --- (In reply to Jonathan Wakely from comment #7) > So we should never use __timepunct directly (unless the formatting locale is > the classic locale, and profiling shows it's faster to format directly > instead of using _M_locale_fmt). Patch sent to the list. https://gcc.gnu.org/pipermail/gcc-patches/2025-July/688297.html