[Bug tree-optimization/81297] [8 Regression] ICE in get_single_symbol

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81297

--- Comment #8 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 16:10:28 2017
New Revision: 252206

URL: https://gcc.gnu.org/viewcvs?rev=252206&root=gcc&view=rev
Log:
2017-08-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81297
        * tree-vrp.c (get_single_symbol): Remove assert, instead drop
        TREE_OVERFLOW from INTEGER_CSTs.

        * gcc.dg/torture/pr81297.c: New testcase.

Added:
    branches/range-gen2/gcc/testsuite/gcc.dg/torture/pr81297.c
Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/testsuite/ChangeLog
    branches/range-gen2/gcc/tree-vrp.c