Check for empty handle in JSON stringifier

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/22420004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16106 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/json-stringifier.h

@@ -601,6 +601,7 @@ BasicJsonStringifier::Result BasicJsonStringifier::SerializeJSArraySlow(
   for (int i = 0; i < length; i++) {
     if (i > 0) Append(',');
     Handle<Object> element = Object::GetElement(object, i);
+    RETURN_IF_EMPTY_HANDLE_VALUE(isolate_, element, EXCEPTION);
     if (element->IsUndefined()) {
       AppendAscii("null");
     } else {

test/mjsunit/regress/json-stringifier-emptyhandle.js

+// Copyright 2013 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 explode() {
+  var array = [1,2,3];
+
+  Object.defineProperty(array, 4, {
+    get: function () { throw "dynamite"; },
+  });
+
+  JSON.stringify(array);
+}
+
+try {
+  explode();
+  assertUnreachable();
+} catch(e) {
+  assertEquals("dynamite", e);
+}