Handle insertion order for simple constructors

test/mjsunit/regress/regress-crbug-3867.js

+// Copyright 2010 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.
+
+function props(x) {
+  var result = [];
+  for (var p in x) result.push(p);
+  return result;
+}
+
+function A() {
+  this.a1 = 1234;
+  this.a2 = "D";
+  this.a3 = false;
+}
+
+function B() {
+  this.b3 = false;
+  this.b2 = "D";
+  this.b1 = 1234;
+}
+
+function C() {
+  this.c3 = false;
+  this.c1 = 1234;
+  this.c2 = "D";
+}
+
+assertArrayEquals(["a1", "a2", "a3"], props(new A()));
+assertArrayEquals(["b3", "b2", "b1"], props(new B()));
+assertArrayEquals(["c3", "c1", "c2"], props(new C()));
+assertArrayEquals(["s1", "s2", "s3"], props({s1: 0, s2: 0, s3: 0}));
+assertArrayEquals(["s3", "s2", "s1"], props({s3: 0, s2: 0, s1: 0}));
+assertArrayEquals(["s3", "s1", "s2"], props({s3: 0, s1: 0, s2: 0}));
+
+var a = new A()
+a.a0 = 0;
+a.a4 = 0;
+assertArrayEquals(["a1", "a2", "a3", "a0", "a4"], props(a));
+
+var b = new B()
+b.b4 = 0;
+b.b0 = 0;
+assertArrayEquals(["b3", "b2", "b1", "b4", "b0"], props(b));
+
+var o1 = {s1: 0, s2: 0, s3: 0}
+o1.s0 = 0;
+o1.s4 = 0;
+assertArrayEquals(["s1", "s2", "s3", "s0", "s4"], props(o1));
+
+var o2 = {s3: 0, s2: 0, s1: 0}
+o2.s4 = 0;
+o2.s0 = 0;
+assertArrayEquals(["s3", "s2", "s1", "s4", "s0"], props(o2));