https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112564
--- Comment #2 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:23725aa53bd264941c4fb228227736be4da59761 commit r14-5536-g23725aa53bd264941c4fb228227736be4da59761 Author: Jonathan Wakely <jwak...@redhat.com> Date: Thu Nov 16 16:11:18 2023 +0000 libstdc++: Fix aligned formatting of stacktrace_entry and thread::id [PR112564] The formatter for std::thread::id should default to right-align, and the formatter for std::stacktrace_entry should not just ignore the fill-and-align and width from the format-spec! libstdc++-v3/ChangeLog: PR libstdc++/112564 * include/std/stacktrace (formatter::format): Format according to format-spec. * include/std/thread (formatter::format): Use _Align_right as default. * testsuite/19_diagnostics/stacktrace/output.cc: Check fill-and-align handling. Change compile test to run. * testsuite/30_threads/thread/id/output.cc: Check fill-and-align handling.