/js/src/jit-test/tests/jaeger/recompile/bug648502.js

 1function f(x, y) {
 2    -(undefined ? 0 : 0);
 3    assertEq(y === y, true);
 4    return 0;
 5}
 6f(1, 2);
 7{
 8    f(3, 3.14);
 9    f(true, f(4, 5));
10
11    function g() {}
12}