[Bug fortran/84640] gcc/fortran/simplify.c:2587:9: runtime error: pointer index expression with base 0x0000090de160 overflowed to 0xffffffffc0632960

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84640

--- Comment #8 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sat Oct  6 11:45:05 2018
New Revision: 264898

URL: https://gcc.gnu.org/viewcvs?rev=264898&root=gcc&view=rev
Log:
 2018-10-06  Thomas Koenig  <tkoe...@gcc.gnu.org>

        PR fortran/84640
        * simplify.c (gfc_simplify_cshift): Extend size of hs_ex and ss_ex
        by one. Set extents one past the array boundaries to zero to avoid
        warning with instrumented compiler.
        (gfc_simplify_eoshift): Likewise, only for ss_ex.


Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/simplify.c