https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83830
Bug ID: 83830 Summary: has_unique_object_representations_v is missing Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: rs2740 at gmail dot com Target Milestone: --- libstdc++ has the trait but not the _v form, which was added by the editor per NB comment US-9 on the C++17 CD, see https://github.com/cplusplus/draft/commit/97058f9cc925cd9a9e818545cad4e1c198d714cb.