https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82257
--- Comment #2 from lkrupp at gcc dot gnu.org --- Author: lkrupp Date: Tue Jan 16 01:09:11 2018 New Revision: 256720 URL: https://gcc.gnu.org/viewcvs?rev=256720&root=gcc&view=rev Log: 2018-01-15 Louis Krupp <louis.kr...@zoho.com> PR fortran/82257 * interface.c (compare_rank): Don't try to retrieve CLASS_DATA from symbol marked unlimited polymorphic. * resolve.c (resolve_structure_cons): Likewise. * misc.c (gfc_typename): Don't dereference derived->components if it's NULL. 2018-01-15 Louis Krupp <louis.kr...@zoho.com> PR fortran/82257 * gfortran.dg/unlimited_polymorphic_28.f90: New test. Added: trunk/gcc/testsuite/gfortran.dg/unlimited_polymorphic_28.f90 Modified: trunk/gcc/fortran/ChangeLog trunk/gcc/fortran/interface.c trunk/gcc/fortran/misc.c trunk/gcc/fortran/resolve.c trunk/gcc/testsuite/ChangeLog