[Bug tree-optimization/69110] [4.9/5/6 Regression] execution failure in gcc.c-torture/execute/doloop-{1,2}.c with -ftree-parallelize-loops=2

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69110

--- Comment #21 from vries at gcc dot gnu.org ---
Author: vries
Date: Tue Jan 26 22:18:28 2016
New Revision: 232854

URL: https://gcc.gnu.org/viewcvs?rev=232854&root=gcc&view=rev
Log:
Handle DR_NUM_DIMENSIONS == 0 in initialize_data_dependence_relation

2016-01-26  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69110
        * tree-data-ref.c (initialize_data_dependence_relation): Handle
        DR_NUM_DIMENSIONS == 0.

        * gcc.dg/autopar/pr69110.c: New test.

        * testsuite/libgomp.c/pr69110.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/autopar/pr69110.c
    branches/gcc-4_9-branch/libgomp/testsuite/libgomp.c/pr69110.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_9-branch/gcc/tree-data-ref.c
    branches/gcc-4_9-branch/libgomp/ChangeLog