 backtraces
    on (if <code class="code">b = <span class="keyword">true</span></code>) or off (if <code class="code">b = <span class="keyword">false</span></code>).  Initially, backtraces
    are not recorded, unless the <code class="code">b</code> flag is given to the program
    through the <code class="code"><span class="constructor">OCAMLRUNPARAM</span></code> variable.<br>
<b>Since</b> 3.11.0<br>
</div>

<pre><span id="VALbacktrace_status"><span class="keyword">val</span> backtrace_status</span> : <co