[Bug tree-optimization/64530] [4.9/5 Regression] Incorrect calculation when assigning to array with -O3

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64530

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jan 12 15:37:07 2015
New Revision: 219474

URL: https://gcc.gnu.org/viewcvs?rev=219474&root=gcc&view=rev
Log:
2015-01-12  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/64530
    * tree-loop-distribution.c (pg_add_dependence_edges): Shuffle
    back dr1.

    * gfortran.dg/pr64530.f90: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr64530.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-loop-distribution.c