[expr.rel] Complete the definition of 'compares greater than' (#1015)

jensmaurer · zygoloid · commit 4dcde4a386a1 · 2016-11-17T14:30:50.000-08:00
Fixes #435.
diff --git a/source/expressions.tex b/source/expressions.tex
@@ -4208,6 +4208,8 @@
 have the same access control (Clause~\ref{class.access})
 and provided their class is not a union.
 
+\item Otherwise, neither pointer compares greater than the other.
+
 \end{itemize}
 
 \pnum
