test262/implementation-contributed/v8/mjsunit/arguments-apply-deopt.js

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// Flags: --allow-natives-syntax

(function ApplyArgumentsDeoptInReceiverMapCheck() {
  function invoker(h, r) {
    return function XXXXX() {
      var res = h.apply({ fffffff : r(this) }, arguments);
      return res;
    };
  }

  var y = invoker(m, selfOf);

  function selfOf(c) {
    var sssss = c.self_;
    return sssss;
  }

  function m() {
    return this.fffffff;
  }

  y.apply({ self_ : 3 });
  y.apply({ self_ : 3 });
  y.apply({ self_ : 3 });

  %OptimizeFunctionOnNextCall(y);

  assertEquals(y.apply({ self_ : 3, uuu : 4 }), 3);
})();

(function ApplyArgumentsDeoptInReceiverExplicit() {
  function f() { return this + 21; }

  function deopt() {
    %DeoptimizeFunction(XXXXX);
    return 21;
  }

  function XXXXX() {
    return f.apply(deopt(), arguments);
  };

  XXXXX();
  XXXXX();
  XXXXX();

  %OptimizeFunctionOnNextCall(XXXXX);

  assertEquals(42, XXXXX());
})();