[Bug tree-optimization/90240] [10 Regression] ICE in try_improve_iv_set, at tree-ssa-loop-ivopts.c:6694

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90240

--- Comment #9 from bin cheng <amker at gcc dot gnu.org> ---
Author: amker
Date: Tue Apr 30 03:00:59 2019
New Revision: 270673

URL: https://gcc.gnu.org/viewcvs?rev=270673&root=gcc&view=rev
Log:
        PR tree-optimization/90240
        Revert:
        2019-04-23  Bin Cheng  <bin.ch...@linux.alibaba.com>

        PR tree-optimization/90078
        * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
        checks for infinite_cost overflow.

        * gcc/testsuite/g++.dg/tree-ssa/pr90078.C: New test.

Removed:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr90078.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivopts.c