contract C {
function f() pure public returns (bytes memory r) {
r = abi.encode(1, 2);
r = abi.encodePacked(f());
r = abi.encodeWithSelector(0x12345678, 1);
r = abi.encodeWithSignature("f(uint256)", 4);
}
}
// ----
// Warning 5740: (142-237): Unreachable code.