* search.c (shared_member_p): New function.
        (lookup_field_r): Use it.
        * cp-tree.h (SHARED_MEMBER_P): Remove.

        * method.c (process_overload_item): Handle template-dependent array
        bounds.
        * pt.c (type_unification_real): If we end up with undeduced nontype
        parms, try again.

        * decl.c (lookup_name_real): Tweak warning to refer to decls, not
        types.

        * typeck2.c (friendly_abort): Don't say anything if we have
        earlier errors or sorries.

        * decl.c (check_tag_decl): Notice attempts to redefine bool and
        wchar_t.  Ignore if in_system_header.

        * decl.c (maybe_push_cleanup_level): New fn...
        (start_decl_1): ...split out from here.
        * cvt.c (build_up_reference): Use it.
        * cp-tree.h: Declare it.

From-SVN: r39540