LWG3427 operator<=>(const shared_ptr<T>&, nullptr_t) definition ill-formed

Author: burblebee

source/utilities.tex

@@ -10803,7 +10803,9 @@
 \begin{itemdescr}
 \pnum
 \returns
-\tcode{compare_three_way()(a.get(), nullptr)}.
+\begin{codeblock}
+compare_three_way()(a.get(), static_cast<typename shared_ptr<T>::element_type*>(nullptr).
+\end{codeblock}
 \end{itemdescr}
 
 \rSec3[util.smartptr.shared.spec]{Specialized algorithms}