https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102595
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jerry DeLisle <jvdeli...@gcc.gnu.org>: https://gcc.gnu.org/g:cdc6bf44eec295805ae29a8aaddafd111de01c8e commit r13-4934-gcdc6bf44eec295805ae29a8aaddafd111de01c8e Author: Steve Kargl <ka...@gcc.gnu.org> Date: Mon Dec 26 14:07:04 2022 -0800 Modify checks to avoid referencing NULL pointer. Update test cases with error messages that changed as a result. gcc/fortran/ChangeLog: PR fortran/102595 * decl.cc (attr_decl1): Guard against NULL pointer. * parse.cc (match_deferred_characteristics): Include BT_CLASS in check for derived being undefined. gcc/testsuite/ChangeLog: PR fortran/102595 * gfortran.dg/class_result_4.f90: Update error message check. * gfortran.dg/pr85779_3.f90: Update error message check.