[Bug middle-end/89008] [7/8 Regression] O2 and O1 results differ for simple test

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89008

--- Comment #15 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Thu Jan 31 21:55:45 2019
New Revision: 268431

URL: https://gcc.gnu.org/viewcvs?rev=268431&root=gcc&view=rev
Log:
2018-01-31  Bill Schmidt  <wschm...@linux.ibm.com>

        Backport from mainline
        2018-01-31  Bill Schmidt  <wschm...@linux.ibm.com>

        PR tree-optimization/89008
        * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
        process anything of the form X * 0.


Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/gimple-ssa-strength-reduction.c