contract Small {
uint public a;
uint[] public b;
function f1(uint x) public returns (uint) { a = x; b[uint8(msg.data[0])] = x; }
fallback () external payable {}
}
// ----
// creation:
// codeDepositCost: 108800
// executionCost: 153
// totalCost: 108953
// external:
// fallback: 129
// a(): 2407
// b(uint256): infinite
// f1(uint256): infinite