 <tt>jit.off(true, true)</tt> in the main chunk
of a module to turn off JIT compilation for the whole module for
debugging purposes.
</p>

<h3 id="jit_flush_tr"><tt>jit.flush(tr)</tt></h3>
<p>
Flushes the root trace, specified by its number, and all of its side
traces from the cache. The code for the trace will be retained as long
as there are any other traces which link to it.
</p>

<h3 id="jit_status"><tt>status, ... = jit.status()</tt></h3>
<p>
Returns the current status of the JIT compiler. The first re