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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
var m = new Map();
function C() { }
// Make sure slack tracking kicks in and shrinks the default size to prevent
// any further in-object properties.
%CompleteInobjectSlackTracking(new C());
function f(o) {
o.x = true;
}
// Warm up {f}.
f(new C());
f(new C());
var o = new C();
%HeapObjectVerify(o);
m.set(o, 1); // This creates hash code on o.
// Add an out-of-object property.
o.x = true;
%HeapObjectVerify(o);
// Delete the property (so we have no out-of-object properties).
delete o.x;
%HeapObjectVerify(o);
// Ensure that growing the properties backing store in optimized code preserves
// the hash.
%OptimizeFunctionOnNextCall(f);
f(o);
%HeapObjectVerify(o);
assertEquals(1, m.get(o));
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