[Bug tree-optimization/68455] [6 Regression] ICE: tree check: expected integer_cst, have plus_expr in decompose, at tree.h:5123

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68455

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-11-20
                 CC|                            |mpolacek at gcc dot gnu.org
   Target Milestone|---                         |6.0
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
2092      val[0] = vrp_int_const_binop (code, vr0->min, vr1->min);
2093      if (val[0] == NULL_TREE)
2094        sop = true;
2095
2096      if (vr1->max == vr1->min)
(gdb) p debug_generic_expr (vr0->min)
1
$1 = void
(gdb) p debug_generic_expr (vr1->min)
_13 + 1
$2 = void

Confirmed.  Probably caused by the recent division patch.