+/* Wrap calls to annotate_arg_begin and annotate_arg_end in an RAII
+ class. */
+struct annotate_arg_emitter
+{
+ annotate_arg_emitter () { annotate_arg_begin (); }
+ ~annotate_arg_emitter () { annotate_arg_end (); }
+
+ DISABLE_COPY_AND_ASSIGN (annotate_arg_emitter);
+};
+