[Bug fortran/77678] ICE in fold_read_from_constant_string, at fold-const.c:13706

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77678

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 22 12:15:38 2016
New Revision: 240351

URL: https://gcc.gnu.org/viewcvs?rev=240351&root=gcc&view=rev
Log:
2016-09-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/77678
        * expr.c (expand_expr_real_1): Guard array access against negative
        offset.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c