READ_TUPLE       1130 core/compile.c     READ_TUPLE(ptr) PN_TUPLE_AT(tup, i) = READ_CONST(pn, ptr); \
READ_TUPLE       1134 core/compile.c     READ_TUPLE(ptr) PN_TUPLE_AT(tup, i) = potion_proto_load(P, (PN)f, pn, &(ptr)); \