https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69064
--- Comment #33 from kottinge at utk dot edu --- I uploaded soln_struct_mod.mod I don't want to spend a lot of time on this either, and it's a complicated project and figuring out the minimal code to reproduce the error is likely to take a long time, because of all the dependencies. It specifically says not to use archives when uploading files...