http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
Bug ID: 60970 Summary: Support std::hash with enum types (LWG 2148) Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: gromer at google dot com std::hash<T> appears to be undefined when T is an enum type, contrary to the resolution of LWG 2148 (http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2148).