437 struct GTY((chain_next ("%h.outer"))) c_scope {  struct
439   struct c_scope *outer;  argument
442   struct c_scope *outer_function;  argument
445   struct c_binding *bindings;
449   tree blocks;
450   tree blocks_last;
454   unsigned int depth : 28;
458   BOOL_BITFIELD parm_flag : 1;
462   BOOL_BITFIELD had_vla_unspec : 1;
467   BOOL_BITFIELD warned_forward_parm_decls : 1;
496 static GTY(()) struct c_scope *current_scope;  argument