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

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