declare the symbol. This can lead to problems at link time.</p>
<p>So, the rule for LLVM is to always use the <tt>class</tt> keyword, unless
-<b>all</b> members are public, in which case <tt>struct</tt> is allowed.</p>
+<b>all</b> members are public and the type is a C++ "POD" type, in which case
+<tt>struct</tt> is allowed.</p>
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