* tree-ssa-structalias.c (create_variable_info_for): Also mark
        first field in a struct.
        (intra_create_variable_infos): Don't deal with flag_argument_noalias.

fortran/
        * trans-expr.c (gfc_conv_substring): Don't evaluate casted decl early,
        change order of length calculation to (end - start) + 1.
        (gfc_get_interface_mapping_array): Adjust call to
        gfc_get_nodesc_array_type.
        * trans-array.c (gfc_trans_create_temp_array,
        gfc_build_constant_array_constructor, gfc_conv_expr_descriptor): Ditto.
        * trans-stmt.c (gfc_trans_pointer_assign_need_temp): Ditto.
        * trans.c (gfc_add_modify): Assignment between base type and nontarget
        type are equal enough.
        (gfc_call_malloc): Use prvoid_type_node for return value of
        __builtin_malloc.
        (gfc_allocate_with_status): Ditto.
        * trans-types.c (gfc_array_descriptor_base): Double size of this array.
        (gfc_init_types): Build prvoid_type_node.
        (gfc_build_array_type): New bool parameter "restricted".
        (gfc_get_nodesc_array_type): Ditto, build restrict qualified pointers,
        if it's true.
        (gfc_get_array_descriptor_base): Ditto.
        (gfc_get_array_type_bounds): Ditto.
        (gfc_sym_type): Use symbol attributes to feed calls to above functions.
        (gfc_get_derived_type): Ditto.
        * trans.h (struct lang_type): Add nontarget_type member.
        * trans-types.h (prvoid_type_node): Declare.
        (gfc_get_array_type_bounds, gfc_get_nodesc_array_type): Declare new
        parameter.
        * trans-decl.c (gfc_finish_var_decl): Give scalars that can't be
        aliased a type with a different alias set than the base type.
        (gfc_build_dummy_array_decl): Adjust call to gfc_get_nodesc_array_type.

testsuite/
        * gfortran.dg/vect/vect-gems.f90: New test.
        * gcc.dg/tree-ssa/alias-1.c: Remove, it checks something broken.

From-SVN: r150934