[Bug fortran/103717] ICE in doloop_code, at fortran/frontend-passes.c:2656

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103717

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Harald Anlauf
<anl...@gcc.gnu.org>:

https://gcc.gnu.org/g:1a5c50c3ad2a2f66f1232d25b0f0c15ee1bf449f

commit r11-9386-g1a5c50c3ad2a2f66f1232d25b0f0c15ee1bf449f
Author: Harald Anlauf <anl...@gmx.de>
Date:   Tue Dec 14 21:57:04 2021 +0100

    Fortran: prevent NULL pointer dereference in check of passed do-loop
variable

    gcc/fortran/ChangeLog:

            PR fortran/103717
            * frontend-passes.c (doloop_code): Prevent NULL pointer
            dereference when checking for passing a do-loop variable to a
            contained procedure with an interface mismatch.

    gcc/testsuite/ChangeLog:

            PR fortran/103717
            * gfortran.dg/do_check_19.f90: New test.

    (cherry picked from commit ca39102e10643a6b3f07d06934cc0907ba83d9ee)