src/third_party/mozjs-45/js/src/jit-test/tests/arguments/rest-arguments-as-parameters.js

function f1(...arguments) {
    assertEq("1,2,3", arguments.toString());
}
f1(1, 2, 3);
function f2(arguments, ...rest) {
    assertEq(arguments, 42);
    assertEq("1,2,3", rest.toString());
}
f2(42, 1, 2, 3);