https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91277
Bug ID: 91277 Summary: est.cpp:5:55: internal compiler error: in synthesize_implicit_template_parm, at cp/parser.c:41206 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: mr...@courier-mta.com Target Milestone: --- Created attachment 46631 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46631&action=edit Preprocessed source. Compiled with g++ -std=c++17 test.cpp -fconcepts -g -v Originally reported by https://stackoverflow.com/questions/57233950/is-this-a-bug-about-the-concept-lib-in-c