626364656667686970
case 0: return hasClosure() ? this : new ZeroOperandArgNoBlockCallInstr(this); case 1: if (isAllFixnums() && !hasClosure()) return new OneFixnumArgNoBlockCallInstr(this); return hasClosure() ? new OneOperandArgBlockCallInstr(this) : new OneOperandArgNoBlockCallInstr(this); } return this; }