https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69064
--- Comment #30 from kottinge at utk dot edu --- Okay, I uploaded files for a working eaxmple. Trying to compile with: gfortran -I/usr/lib/openmpi/include -pthread -I/usr/lib/openmpi/lib -L/usr//lib -L/usr/lib/openmpi/lib -lmpi_f90 -lmpi_f77 -lmpi -ldl -lhwloc -o driver.exe -ggdb -ffree-line-length-none -fcheck=all -fbacktrace -cpp read_input_mod.f90 driver.f90 libread.a