[Bug fortran/92874] ICE in gfc_dep_compare_expr, at fortran/dependency.c:36

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92874

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Tue Dec 10 18:57:30 2019
New Revision: 279181

URL: https://gcc.gnu.org/viewcvs?rev=279181&root=gcc&view=rev
Log:
Bail out in gfc_dep_compare_expr for a NULL argument.

2019-12-10  Martin Liska  <mli...@suse.cz>

        PR fortran/92874
        * dependency.c (gfc_dep_compare_expr): Bail out
        when one of the arguments is null.
2019-12-10  Martin Liska  <mli...@suse.cz>

        PR fortran/92874
        * gfortran.dg/pr92874.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr92874.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/dependency.c
    trunk/gcc/testsuite/ChangeLog