extern bool add_method (tree, tree, tree);
extern bool currently_open_class (tree);
extern tree currently_open_derived_class (tree);
-extern tree current_nonlambda_class_type (void);
extern tree finish_struct (tree, tree);
extern void finish_struct_1 (tree);
extern int resolves_to_fixed_type_p (tree, int *);
extern tree add_default_capture (tree, tree, tree);
extern void register_capture_members (tree);
extern tree lambda_expr_this_capture (tree);
-extern tree nonlambda_method_basetype (void);
extern void maybe_add_lambda_conv_op (tree);
/* in tree.c */