[Bug tree-optimization/69574] [4.9/5 Regression] gcc ICE at -O2 and -O3 on x86_64-linux-gnu in hide_evolution_in_other_loops_than_loop

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69574

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Feb  1 15:38:08 2016
New Revision: 233039

URL: https://gcc.gnu.org/viewcvs?rev=233039&root=gcc&view=rev
Log:
2016-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69574
        * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
        of asserting return chrec_dont_know.

        * gcc.dg/torture/pr69574.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr69574.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-chrec.c