https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98077
Bug ID: 98077 Summary: C++ 17: Using alias template bug in gcc Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: juergen.reiss at gmx dot de Target Milestone: --- The error was reported here: https://stackoverflow.com/questions/65079471/c-17-using-alias-template-bug-in-gcc A demo is here: https://godbolt.org/z/avGv3n