[heap] Initialize the owner on each page after lospace allocation

test/mjsunit/regress/regress-672041.js

Index: test/mjsunit/regress/regress-672041.js
diff --git a/test/mjsunit/regress/regress-672041.js b/test/mjsunit/regress/regress-672041.js
new file mode 100644
index 0000000000000000000000000000000000000000..ceea4fd59076ac960d9bc727fc1e6dabf65d4fee
--- /dev/null
+++ b/test/mjsunit/regress/regress-672041.js
@@ -0,0 +1,23 @@
+// Copyright 2016 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.
+
+// Trigger an infinite loop through RegExp.prototype[@@match], which results
+// in unbounded growth of the results array.
+
+// Limit the number of iterations to avoid OOM while still triggering large
+// object space allocation.
+const min_ptr_size = 4;
+const max_regular_heap_object_size = 507136;
+const num_iterations = max_regular_heap_object_size / min_ptr_size;
+
+const RegExpPrototypeExec = RegExp.prototype.exec;
+
+let i = 0;
+
+RegExp.prototype.__defineGetter__("global", () => true);
+RegExp.prototype.exec = function(str) {
+  return (i++ < num_iterations) ? RegExpPrototypeExec.call(this, str) : null;
+};
+
+"a".match();