354 struct GTY((chain_next ("%h.outer"))) c_scope {  struct
356   struct c_scope *outer;  argument
359   struct c_scope *outer_function;  argument
362   struct c_binding *bindings;
366   tree blocks;
367   tree blocks_last;
371   unsigned int depth : 28;
375   BOOL_BITFIELD parm_flag : 1;
379   BOOL_BITFIELD had_vla_unspec : 1;
384   BOOL_BITFIELD warned_forward_parm_decls : 1;
413 static GTY(()) struct c_scope *current_scope;  argument