re PR tree-optimization/77550 (std::deque with -O3 has infinite std::distance)

re PR tree-optimization/77550 (std::deque with -O3 has infinite std::distance)

gcc:
2016-09-21  Bernd Edlinger  <bernd.edlinger@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.edlinger@hotmail.de>

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

From-SVN: r240313