https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84922
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kargl at gcc dot gnu.org --- Comment #4 from kargl at gcc dot gnu.org --- My version of gfortran gives gfcx -c a.f90 a.f90:4:38: module subroutine copy_byte_data(data, copy) 1 a.f90:12:31: subroutine copy_byte_data(data, copy) 2 Error: Procedure 'copy_byte_data' defined in interface body at (1) clashes with internal procedure defined at (2) a.f90:12:36: subroutine copy_byte_data(data, copy) 1 Error: Shape mismatch in argument 'data' at (1) Not sure if this is correct, though.