// Copyright 2014 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.
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//       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
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --expose-debug-as debug --allow-natives-syntax

Debug = debug.Debug;

function dummy(x) {
  return x + 100;
}

function create_closure() {
  var f = function(arg) {
    if (arg) { %DeoptimizeFunction(f); }
    var a = Array(10);
    for (var i = 0; i < a.length; i++) {
      a[i] = i;
    }
  }
  return f;
}

var c = create_closure();
c();

// c CallIC state now has custom Array handler installed.

// Turn on the debugger.
Debug.setListener(function () {});

var d = create_closure();
%OptimizeFunctionOnNextCall(d);
// Thanks to the debugger, we recreate the full code too. We deopt and run
// it, stomping on the unexpected AllocationSite in the type vector slot.
d(true);

// CallIC in c misinterprets type vector slot contents as an AllocationSite,
// corrupting the heap.
c();

// CallIC MISS - crash due to corruption.
dummy();