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diff --git a/deps/v8/test/mjsunit/compare-objects.js b/deps/v8/test/mjsunit/compare-objects.js
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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
+
+// Test CompareIC stubs for normal and strict equality comparison of known
+// objects in hydrogen.
+
+function lt(a, b) {
+  return a < b;
+}
+
+function gt(a, b) {
+  return a > b;
+}
+
+function eq(a, b) {
+  return a == b;
+}
+
+function eq_strict(a, b) {
+  return a === b;
+}
+
+function test(a, b, less, greater) {
+  // Check CompareIC for equality of known objects.
+  assertTrue(eq(a, a));
+  assertTrue(eq(b, b));
+  assertFalse(eq(a, b));
+  assertTrue(eq_strict(a, a));
+  assertTrue(eq_strict(b, b));
+  assertFalse(eq_strict(a, b));
+  assertEquals(lt(a, b), less);
+  assertEquals(gt(a, b), greater);
+  assertEquals(lt(b, a), greater);
+  assertEquals(gt(b, a), less);
+}
+
+var obj1 = {toString: function() {return "1";}};
+var obj2 = {toString: function() {return "2";}};
+
+var less = obj1 < obj2;
+var greater = obj1 > obj2;
+
+test(obj1, obj2, less, greater);
+test(obj1, obj2, less, greater);
+test(obj1, obj2, less, greater);
+%OptimizeFunctionOnNextCall(test);
+test(obj1, obj2, less, greater);
+test(obj1, obj2, less, greater);
+
+obj1.x = 1;
+test(obj1, obj2, less, greater);
+
+obj2.y = 2;
+test(obj1, obj2, less, greater);
+
+var obj1 = {test: 3};
+var obj2 = {test2: 3};
+
+var less = obj1 < obj2;
+var greater = obj1 > obj2;
+
+test(obj1, obj2, less, greater);
+test(obj1, obj2, less, greater);
+test(obj1, obj2, less, greater);
+%OptimizeFunctionOnNextCall(test);
+test(obj1, obj2, less, greater);
+test(obj1, obj2, less, greater);
+
+obj1.toString = function() {return "1"};
+var less = obj1 < obj2;
+var greater = obj1 > obj2;
+test(obj1, obj2, less, greater);
+%OptimizeFunctionOnNextCall(test);
+test(obj1, obj2, less, greater);
+
+obj2.toString = function() {return "2"};
+var less = true;
+var greater = false;
+
+test(obj1, obj2, less, greater);
+obj2.y = 2;
+test(obj1, obj2, less, greater);