https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65026
--- Comment #1 from Fred Krogh <fkrogh#gcc at mathalacarte dot com> --- The first test.F90 I attached had some extra '=' signs in the #defines. I have tried to replace that test.F90 with a corrected version which gets the same error. I'm not clear if this replacement was successful.