https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104221
--- Comment #6 from Frank B. Brokken <f.b.brokken at rug dot nl> --- Dear nshead at gcc dot gnu.org, you wrote: > Note that an implementation unit for a module partition file should look like: > > module mod; > import :partition; > // provide definitions here > > ... > > Hopefully this clarifies the situation somewhat, feel free to let me know if > you have any other questions (and thanks for the report regardless!). Wow! I clearly missed that! It solves the issue. To translate a Dutch proverb: small presents maintain friendship :-) Thanks, and I wish you pleasant holidays and a happy new year! :-)