private static void makeDefaultBody(Bytecode b, CtClass type) {
int op;
int value;
if (type instanceof CtPrimitiveType) {
CtPrimitiveType pt = (CtPrimitiveType)type;
op = pt.getReturnOp();
if (op == Opcode.DRETURN)
value = Opcode.DCONST_0;
else if (op == Opcode.FRETURN)
value = Opcode.FCONST_0;
else if (op == Opcode.LRETURN)