v8/test/mjsunit/arguments-apply-deopt.js

// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// 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());
})();