POP_FAILURE_INT  1224 regex.cpp      #define DEBUG_POP(item_addr) (item_addr)->integer = POP_FAILURE_INT ()
POP_FAILURE_INT  1391 regex.cpp        high_reg = (active_reg_t) POP_FAILURE_INT ();				\
POP_FAILURE_INT  1394 regex.cpp        low_reg = (active_reg_t) POP_FAILURE_INT ();				\