v8/test/mjsunit/compiler/inline-context-slots.js

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// Test inlining of functions with context slots.

// Flags: --allow-natives-syntax


// Caller/callee without a local context.

(function() {
  var X = 5;
  var Y = 10;
  function F() {}
  F.prototype.max = function() {
    return X > Y ? X : Y;
  }
  F.prototype.run = function() {
    return this.max();
  }
  var f = new F();
  %PrepareFunctionForOptimization(f.run);
  for (var i=0; i<5; i++) f.run();
  %OptimizeFunctionOnNextCall(f.run);
  assertEquals(10, f.run());
})();