[Bug tree-optimization/59139] [4.7/4.8/4.9 Regression] internal compiler error: in get_val_for, at tree-ssa-loop-niter.c:2267

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59139

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Dec  2 15:43:01 2013
New Revision: 205588

URL: http://gcc.gnu.org/viewcvs?rev=205588&root=gcc&view=rev
Log:
2013-12-02  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/59139
    * tree-ssa-loop-niter.c (chain_of_csts_start): Properly match
    code in get_val_for.
    (get_val_for): Use gcc_checking_asserts.

    * gcc.dg/torture/pr59139.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr59139.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c