428 struct GTY((chain_next ("%h.outer"))) c_scope {  struct
430   struct c_scope *outer;  argument
433   struct c_scope *outer_function;  argument
436   struct c_binding *bindings;
440   tree blocks;
441   tree blocks_last;
445   unsigned int depth : 28;
449   BOOL_BITFIELD parm_flag : 1;
453   BOOL_BITFIELD had_vla_unspec : 1;
458   BOOL_BITFIELD warned_forward_parm_decls : 1;
487 static GTY(()) struct c_scope *current_scope;  argument