newblock          496 src/cmd/gc/plive.c 	bb = newblock(firstp);
newblock          503 src/cmd/gc/plive.c 				p->to.u.branch->opt = newblock(p->to.u.branch);
newblock          507 src/cmd/gc/plive.c 				p->link->opt = newblock(p->link);
newblock          513 src/cmd/gc/plive.c 				p->link->opt = newblock(p->link);