contract test {
fn a() ->(u256 n) { return 0; }
fn b() ->(u256 n) { return 1; }
fn c() ->(u256 n) { return 2; }
fn f() ->(u256 n) { return 3; }
}
// ====
// allowNonExistingFunctions: true
// compileToEwasm: also
// compileViaYul: also
// ----
// a() -> 0
// b() -> 1
// c() -> 2
// f() -> 3
// i_am_not_there() -> FAILURE