FYI Implementing 'super' keyword

test/mjsunit/harmony/toMethod.js

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-
+//
 // Flags: --allow-natives-syntax
 
-function f(i, b) {
-  var a = 0;
-  if (b) {
-    var c = 1 << i;
-    a = c + c;
+
+(function () {
+  function f(x) {
+    var a = [0, 1, 2]
+    return a[x];
   }
-  var x = a >> 3;
-  return a;
-}
 
-f(1, false);
-f(1, true);
-%OptimizeFunctionOnNextCall(f);
-assertEquals((1 << 30) * 2, f(30, true));
+  function ClassD() { }
+
+  assertEquals(1, f(1));
+  var g = %ToMethod(f, ClassD);
+  assertEquals(1, g(1));
+}());
 
 
-var global = 1;
+(function () {
+  function f(x) {
+    return function g(y)  { x++; return x + y; };
+  }
 
-function f2(b) {
-  var a = 0;
-  if (b) {
-    a = global;
-  }
-  var x = a >> 3;
-  return a;
-}
+  function Base() {}
+  function Derived() { }
+  Derived.prototype = Object.create(Base.prototype);
 
-f2(false);
-f2(true);
-%OptimizeFunctionOnNextCall(f2);
-global = 2.5;
-assertEquals(global, f2(true));
+  var q = f(0);
+  assertEquals(2, q(1));
+  assertEquals(3, q(1));
+  var g = %ToMethod(q, Derived);
+  assertFalse(g === q);
+  assertEquals(4, g(1));
+  assertEquals(5, q(1));
+}());