contract AccountBuiltinTest {
    function who_am_i() public returns (address result) {
        result = msg.sender;
    }
}
// ====
// compileViaYul: also
// ----
// constructor()
// account: 0 -> 0x1212121212121212121212121212120000000012
// who_am_i() -> 0x1212121212121212121212121212120000000012
// balance: 0x1212121212121212121212121212120000000012 -> 1267650600228229401496703205376
// account: 1 -> 0x1212121212121212121212121212120000001012
// who_am_i() -> 0x1212121212121212121212121212120000001012
// balance: 0x1212121212121212121212121212120000001012 -> 1267650600228229401496703205376
// account: 2 -> 0x1212121212121212121212121212120000002012
// who_am_i() -> 0x1212121212121212121212121212120000002012
// balance: 0x1212121212121212121212121212120000002012 -> 1267650600228229401496703205376
// account: 3 -> 0x1212121212121212121212121212120000003012
// who_am_i() -> 0x1212121212121212121212121212120000003012
// balance: 0x1212121212121212121212121212120000003012 -> 1267650600228229401496703205376
// account: 4 -> 0x1212121212121212121212121212120000004012
// who_am_i() -> 0x1212121212121212121212121212120000004012
// balance: 0x1212121212121212121212121212120000004012 -> 1267650600228229401496703205376
// account: 5 -> 0x1212121212121212121212121212120000005012
// who_am_i() -> 0x1212121212121212121212121212120000005012
// balance: 0x1212121212121212121212121212120000005012 -> 1267650600228229401496703205376
// account: 6 -> 0x1212121212121212121212121212120000006012
// who_am_i() -> 0x1212121212121212121212121212120000006012
// balance: 0x1212121212121212121212121212120000006012 -> 1267650600228229401496703205376
// account: 7 -> 0x1212121212121212121212121212120000007012
// who_am_i() -> 0x1212121212121212121212121212120000007012
// balance: 0x1212121212121212121212121212120000007012 -> 1267650600228229401496703205376
// account: 8 -> 0x1212121212121212121212121212120000008012
// who_am_i() -> 0x1212121212121212121212121212120000008012
// balance: 0x1212121212121212121212121212120000008012 -> 1267650600228229401496703205376
// account: 9 -> 0x1212121212121212121212121212120000009012
// who_am_i() -> 0x1212121212121212121212121212120000009012
// balance: 0x1212121212121212121212121212120000009012 -> 1267650600228229401496703205376
// account: 10 -> 0x121212121212121212121212121212000000a012
// who_am_i() -> 0x121212121212121212121212121212000000a012
// balance: 0x121212121212121212121212121212000000a012 -> 0
// account: 11 -> 0x121212121212121212121212121212000000b012
// who_am_i() -> 0x121212121212121212121212121212000000b012
// balance: 0x121212121212121212121212121212000000b012 -> 0
// account: 12 -> 0x121212121212121212121212121212000000c012
// who_am_i() -> 0x121212121212121212121212121212000000c012
// balance: 0x121212121212121212121212121212000000c012 -> 0