c-pragma.c (apply_pragma_weak): Convert value identifier to string for decl_attributes.

c-pragma.c (apply_pragma_weak): Convert value identifier to string for decl_attributes.

        * c-pragma.c (apply_pragma_weak): Convert value identifier to
        string for decl_attributes.
        (handle_pragma_weak): Call assemble_alias if we're modifying
        an existing decl.

From-SVN: r53884