[Bug fortran/108434] [12/13 Regression] ICE in class_allocatable, at fortran/expr.cc:5000

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108434

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Harald Anlauf
<anl...@gcc.gnu.org>:

https://gcc.gnu.org/g:ea99f8d0f6674de2c2f20a5bc3221ae6325032ea

commit r12-9059-gea99f8d0f6674de2c2f20a5bc3221ae6325032ea
Author: Harald Anlauf <anl...@gmx.de>
Date:   Wed Jan 18 22:13:29 2023 +0100

    Fortran: error recovery for invalid CLASS component [PR108434]

    gcc/fortran/ChangeLog:

            PR fortran/108434
            * expr.cc (class_allocatable): Prevent NULL pointer dereference
            or invalid read.
            (class_pointer): Likewise.

    gcc/testsuite/ChangeLog:

            PR fortran/108434
            * gfortran.dg/pr108434.f90: New test.

    (cherry picked from commit 117848f425a3c0eda85517b4bdaf2ebe3bc705c2)