xref: /external/v8/test/mjsunit/regress/regress-polymorphic-load.js

// Copyright 2013 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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// Flags: --allow-natives-syntax

function f(o) {
  return o.x;
}

var o1 = {x:1};
var o2 = {__proto__: {x:2}};

f(o2);
f(o2);
f(o2);
f(o1);
%OptimizeFunctionOnNextCall(f);
assertEquals(1, f(o1));
assertEquals(2, f(o2));