PRIuVALUE         896 gc.c           	    rb_bug("same heap slot is allocated: %p at %"PRIuVALUE, (void *)membase, (VALUE)mid);
PRIuVALUE        1618 numeric.c      	    rb_raise(rb_eRangeError, "integer %"PRIuVALUE " too big to convert to `unsigned int'", num);