extern rtx m68hc11_function_arg (const CUMULATIVE_ARGS* ,
enum machine_mode,
tree, int);
-extern int m68hc11_function_arg_padding (enum machine_mode, tree);
+extern int m68hc11_function_arg_padding (enum machine_mode, const_tree);
extern void m68hc11_function_epilogue (FILE*,int);