testSetProtoRegeneratesObjectShape.js

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function testSetProtoRegeneratesObjectShape()

  var f = function() {};

  var g = function() {};

  g.prototype.__proto__ = {};

  function iq(obj)

    for (var i = 0; i < 10; ++i)

      "" + obj.prototype;

  iq(f);

  iq(f);

  iq(f);

  iq(f);

  iq(g);

  if (shapeOf(f.prototype) === shapeOf(g.prototype))

    return "object shapes same after proto of one is changed";

  return true;

assertEq(testSetProtoRegeneratesObjectShape(), true);