https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110719
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:86b36e9f7e3839e923db2fda4962cd3faf2ea47b commit r14-2646-g86b36e9f7e3839e923db2fda4962cd3faf2ea47b Author: Jonathan Wakely <jwak...@redhat.com> Date: Wed Jul 19 14:38:08 2023 +0100 libstdc++: Fix locale-specific duration formatting [PR110719] The r14-2640-gf4bce119f617dc commit only removed fractional seconds for time points, but it needs to be done for durations and hh_mm_ss types too. libstdc++-v3/ChangeLog: PR libstdc++/110719 * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds): Handle duration and hh_mm_ss. * testsuite/20_util/duration/io.cc: Check locale-specific formats. * testsuite/std/time/hh_mm_ss/io.cc: Likewise.