https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99111
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Tobias Burnus <bur...@gcc.gnu.org>: https://gcc.gnu.org/g:0f225e57427fd8ca1cdc63b6c2f3001493987474 commit r10-9375-g0f225e57427fd8ca1cdc63b6c2f3001493987474 Author: Tobias Burnus <tob...@codesourcery.com> Date: Tue Feb 16 14:17:35 2021 +0100 Fortran: Reject DT as fmt in I/O statments [PR99111] gcc/fortran/ChangeLog: PR fortran/99111 * io.c (resolve_tag_format): Reject BT_DERIVED/CLASS/VOID as (array-valued) FORMAT tag. gcc/testsuite/ChangeLog: PR fortran/99111 * gfortran.dg/fmt_nonchar_1.f90: New test. * gfortran.dg/fmt_nonchar_2.f90: New test. (cherry picked from commit ebf9b6c13f0847ddcc22e540a5fcdbf644e85a9c)