https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91586
--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> --- Author: burnus Date: Fri Oct 18 12:38:26 2019 New Revision: 277154 URL: https://gcc.gnu.org/viewcvs?rev=277154&root=gcc&view=rev Log: Fortran] PR91586 Fix ICE on invalid code with CLASS gcc/fortran/ Backport from mainline 2019-10-18 Tobias Burnus <tob...@codesourcery.com> PR fortran/91586 * class.c (gfc_find_derived_vtab): Return NULL instead of deref'ing NULL pointer. gcc/testsuite/ Backport from mainline 2019-10-18 Tobias Burnus <tob...@codesourcery.com> PR fortran/91586 * gfortran.dg/class_71.f90: New. Added: branches/gcc-9-branch/gcc/testsuite/gfortran.dg/class_71.f90 Modified: branches/gcc-9-branch/gcc/fortran/ChangeLog branches/gcc-9-branch/gcc/fortran/class.c branches/gcc-9-branch/gcc/testsuite/ChangeLog