suboptimal performance, especially when used in inner loops:
</p>
<ul>
-<li>Bitfield accesses and initializations.</li>
<li>Vector operations.</li>
<li>Table initializers.</li>
<li>Initialization of nested <tt>struct</tt>/<tt>union</tt> types.</li>
<li>Non-default initialization of VLA/VLS or large C types
(> 128 bytes or > 16 array elements.</li>
-<li>Conversions from lightuserdata to <tt>void *</tt>.</li>
+<li>Bitfield initializations.</li>
<li>Pointer differences for element sizes that are not a power of
two.</li>
<li>Calls to C functions with aggregates passed or returned by