/js/src/jit-test/tests/jaeger/bug617460.js

 1
 2function f() {
 3    var x = NaN;
 4    if (2 > 0) {}
 5    var y = {};
 6    var z = (1234 - x);
 7    y.foo = z;
 8    assertEq(x, NaN);
 9}
10f();