https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72755
--- Comment #4 from kargl at gcc dot gnu.org --- Insufficient has been provided. % grep -E ^module a.f90 b.f90 c.f90 a.f90:module m_messages b.f90:module m_msg c.f90:module m_string % gfc7 -c c.f90 c.f90:13:6: use m_util_convert 1 Fatal Error: Can't open module file 'm_util_convert.mod' for reading