// fixhunt regression fixture: biome complexity/noUselessUndefined, 2.5.15
// the fix labelled safe changes the program's output on this program
// before the fix: stdout "0", exit 0
// after the fix: stdout "2", exit 0
// finding 2026-10-17T20-09-08-973Z-61rc-biome-complexity_noUselessUndefined/r2-p005; rule fired 1 time(s) before the fix

function f(a = undefined, b) {}
console.log(f.length); // should be 2 regardless of default