PR c++/17743, c++/19163
        * decl2.c (is_late_template_attribute): New fn.
        (splice_template_attributes, save_template_attributes): New fns.
        (cplus_decl_attributes): Call save_template_attributes.
        * pt.c (apply_late_template_attributes): New fn.
        (instantiate_class_template, tsubst_decl): Use it.
        * cp-tree.h: Declare is_late_template_attribute.

From-SVN: r128488