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27
28// Flags: --allow-natives-syntax
29// Test deserialization of block contexts during lazy compilation
30// of closures.
31
32function f() {
33  var g;
34  {
35    // TODO(keuchel): introduce let
36    var x = 0;
37    g = function () {
38      x = x + 1;
39      return x;
40    }
41  }
42  return g;
43}
44
45var o = f();
46assertEquals(1, o());
47assertEquals(2, o());
48assertEquals(3, o());
49%OptimizeFunctionOnNextCall(o);
50assertEquals(4, o());
51