1  /* PR c/84293 unexpected warning from system header expansion.  */
       2  #pragma GCC system_header
       3  struct typeobject { unsigned refs; };
       4  typedef struct object { unsigned refs; } Object;
       5  
       6  #define INCREF_TDEF(op) (((Object*)(op))->refs++)
       7  #define INCREF_STAG(op) (((struct object*)(op))->refs++)