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Fix assertion for map code cache of shared maps.
R=danno@chromium.org TEST=mjsunit/compare-known-objects-slow Review URL: https://chromiumcodereview.appspot.com/10548046 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@11815 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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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. | ||
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// Flags: --allow-natives-syntax | ||
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// Test CompareIC stubs for normal and strict equality comparison of known | ||
// objects in slow mode. These objects share the same map even though they | ||
// might have completely different properties. | ||
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function eq(a, b) { | ||
return a == b; | ||
} | ||
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function eq_strict(a, b) { | ||
return a === b; | ||
} | ||
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function test(a, b) { | ||
// Check CompareIC for equality of known objects. | ||
assertTrue(eq(a, a)); | ||
assertTrue(eq(b, b)); | ||
assertFalse(eq(a, b)); | ||
// Check CompareIC for strict equality of known objects. | ||
assertTrue(eq_strict(a, a)); | ||
assertTrue(eq_strict(b, b)); | ||
assertFalse(eq_strict(a, b)); | ||
} | ||
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// Prepare two objects in slow mode that have the same map. | ||
var obj1 = %OptimizeObjectForAddingMultipleProperties({}, 1); | ||
var obj2 = %OptimizeObjectForAddingMultipleProperties({}, 1); | ||
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// Test original objects. | ||
assertTrue(%HaveSameMap(obj1, obj2)); | ||
test(obj1, obj2); | ||
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// Test after adding property to first object. | ||
obj1.x = 1; | ||
assertTrue(%HaveSameMap(obj1, obj2)); | ||
test(obj1, obj2); | ||
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// Test after adding property to second object. | ||
obj2.y = 2; | ||
assertTrue(%HaveSameMap(obj1, obj2)); | ||
test(obj1, obj2); |