[Bug tree-optimization/77550] [6/7 Regression] std::deque with -O3 has infinite std::distance

[edlinger at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77550

--- Comment #18 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Mon Oct 24 20:21:06 2016
New Revision: 241495

URL: https://gcc.gnu.org/viewcvs?rev=241495&root=gcc&view=rev
Log:
2016-10-24  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        Backport from mainline
        2016-09-21  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR tree-optimization/77550
        * tree-vect-stmts.c (create_array_ref): Change parameters.
        (get_group_alias_ptr_type): New function.
        (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.

        testsuite:
        2016-09-21  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR tree-optimization/77550
        * g++.dg/pr77550.C: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/pr77550.C
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-vect-stmts.c