https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84929
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Mar 19 12:49:30 2018
New Revision: 258643

URL: https://gcc.gnu.org/viewcvs?rev=258643&root=gcc&view=rev
Log:
2018-03-19  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/84929
        * tree-data-ref.c (analyze_siv_subscript_cst_affine): Guard
        chrec_is_positive against non-chrec arg.

        * gcc.dg/torture/pr84929.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr84929.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-data-ref.c

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