[Bug tree-optimization/86988] [7/9 Regression] ICE: tree check: expected integer_cst, have var_decl in get_len, at tree.h:5563

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86988

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Aug 22 11:01:58 2018
New Revision: 263762

URL: https://gcc.gnu.org/viewcvs?rev=263762&root=gcc&view=rev
Log:
2018-08-22  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/86988
        * tree-vrp.c (vrp_prop::check_mem_ref): Bail out on VLAs.

        * g++.dg/pr86988.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/pr86988.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c