https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110708
Bug ID: 110708 Summary: std::format("{:%EEC %OOd}", std::chrono::system_clock::now()) should be rejected Product: gcc Version: 13.1.1 Status: UNCONFIRMED Keywords: accepts-invalid Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: redi at gcc dot gnu.org Target Milestone: --- A chrono format string should only allow a single E or O modifier for each flag.