https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93741
Bug ID: 93741 Summary: [10 regression] ICE in incomplete concept definition Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: eric.niebler at gmail dot com Target Milestone: --- The following (very invalid) code fragment causes gcc-trunk to ICE: template <typename> struct a { b({ concept c =