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-// 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 --expose-gc --inline-construct
-
-// Test that inlined object allocation works for different layouts of
-// objects (e.g. in object properties, slack tracking in progress or
-// changing of function prototypes)
-
-function test_helper(construct, a, b) {
- return new construct(a, b);
-}
-
-function test(construct) {
- %DeoptimizeFunction(test);
- test_helper(construct, 0, 0);
- test_helper(construct, 0, 0);
- %OptimizeFunctionOnNextCall(test_helper);
- // Test adding a new property after allocation was inlined.
- var o = test_helper(construct, 1, 2);
- o.z = 3;
- assertEquals(1, o.x);
- assertEquals(2, o.y);
- assertEquals(3, o.z);
- // Test changing the prototype after allocation was inlined.
- construct.prototype = { z:6 };
- var o = test_helper(construct, 4, 5);
- assertEquals(4, o.x);
- assertEquals(5, o.y);
- assertEquals(6, o.z);
- %DeoptimizeFunction(test_helper);
- gc(); // Makes V8 forget about type information for test_helper.
-}
-
-function finalize_slack_tracking(construct) {
- // Value chosen based on kGenerousAllocationCount = 8.
- for (var i = 0; i < 8; i++) {
- new construct(0, 0);
- }
-}
-
-
-// Both properties are pre-allocated in object properties.
-function ConstructInObjectPreAllocated(a, b) {
- this.x = a;
- this.y = b;
-}
-finalize_slack_tracking(ConstructInObjectPreAllocated);
-test(ConstructInObjectPreAllocated);
-
-
-// Both properties are unused in object properties.
-function ConstructInObjectUnused(a, b) {
- this.x = a < 0 ? 0 : a;
- this.y = b > 0 ? b : 0;
-}
-finalize_slack_tracking(ConstructInObjectUnused);
-test(ConstructInObjectUnused);
-
-
-// Test inlined allocation while slack tracking is still in progress.
-function ConstructWhileSlackTracking(a, b) {
- this.x = a;
- this.y = b;
-}
-test(ConstructWhileSlackTracking);