[Bug tree-optimization/68317] [6 regression] ice in set_value_range, at tree-vrp.c:380

[jiwang at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68317

--- Comment #11 from Jiong Wang <jiwang at gcc dot gnu.org> ---
Author: jiwang
Date: Mon Nov 23 12:14:05 2015
New Revision: 230754

URL: https://gcc.gnu.org/viewcvs?rev=230754&root=gcc&view=rev
Log:
[Patch] Drop constant overflow flag in adjust_range_with_scev when possible

2015-11-23  Richard Biener  <rgue...@gcc.gnu.com>
            Jiong Wang  <jiong.w...@arm.com>

gcc/
  PR tree-optimization/68317
  PR tree-optimization/68326
  * tree-vrp.c (adjust_range_with_scev): Call drop_tree_overflow if the
  final min and max are not infinity.

gcc/testsuite/
  * gcc.dg/pr68317.c: New testcase.


Added:
    trunk/gcc/testsuite/gcc.dg/pr68317.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c