[Bug tree-optimization/59594] [4.9 Regression] wrong code (by tree vectorizer) at -O3 on x86_64-linux-gnu

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59594

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jan 29 09:27:43 2014
New Revision: 207225

URL: http://gcc.gnu.org/viewcvs?rev=207225&root=gcc&view=rev
Log:
    PR tree-optimization/59594
    * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Sort
    a copy of the datarefs vector rather than the vector itself.

    * gcc.dg/vect/no-vfa-vect-depend-2.c: New test.
    * gcc.dg/vect/no-vfa-vect-depend-3.c: New test.
    * gcc.dg/vect/pr59594.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/no-vfa-vect-depend-2.c
    trunk/gcc/testsuite/gcc.dg/vect/no-vfa-vect-depend-3.c
    trunk/gcc/testsuite/gcc.dg/vect/pr59594.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c