https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83282
--- Comment #6 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- $ gfc -Wall -Werror -pedantic pr83282.f90 pr83282.f90:1:4: 1 | write(*,'(aa)') "ab", "bc" | 1 Error: Unclassifiable statement at (1) This is not very useful either. :o