      <li>
                <p>
 Fixed a bug such that the thread local storage (TLS) definition modifier is correctly deduced from the m4 script on all platforms. [#17609][#17713]
            </p>
              </li>
              <li>
                <p>
 Fixed a bug such that TLS key is not initialized on platforms which do not support thread local storage (TLS) keywords, such as MAC OSX, and where TLS is implemented using pthread API. [#18001]
            </p>
              </li>
              <li>
     