Version 4.3.61.8 (cherry-pick)

test/mjsunit/regress/regress-4027.js

+// Copyright 2015 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 --expose-gc
+
+function Inner() {
+  this.inner_name = "inner";
+}
+
+function Boom() {
+  this.boom = "boom";
+}
+
+function Outer() {
+  this.outer_name = "outer";
+}
+
+function SetInner(inner, value) {
+  inner.prop = value;
+}
+
+function SetOuter(outer, value) {
+  outer.inner = value;
+}
+
+var inner1 = new Inner();
+var inner2 = new Inner();
+
+SetInner(inner1, 10);
+SetInner(inner2, 10);
+
+var outer1 = new Outer();
+var outer2 = new Outer();
+var outer3 = new Outer();
+
+SetOuter(outer1, inner1);
+SetOuter(outer1, inner1);
+SetOuter(outer1, inner1);
+
+SetOuter(outer2, inner2);
+SetOuter(outer2, inner2);
+SetOuter(outer2, inner2);
+
+SetOuter(outer3, inner2);
+SetOuter(outer3, inner2);
+SetOuter(outer3, inner2);
+
+
+SetInner(inner2, 6.5);
+
+outer1 = null;
+inner1 = null;
+
+gc();
+
+var boom = new Boom();
+SetOuter(outer2, boom);
+
+gc();