https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86403
Bug ID: 86403 Summary: Deduction guides not supported in local classes Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: jeanmichael.celerier at gmail dot com Target Milestone: --- See for instance : https://godbolt.org/g/6DKxPx