CWG3105 Consteval destructor through immediate escalation

Author: eisenwave

source/expressions.tex

@@ -9177,7 +9177,8 @@
 a defaulted special member function
 that is not declared with the \keyword{consteval} specifier, or
 \item
-a function that results from the instantiation
+a function that is not a prospective destructor and
+that results from the instantiation
 of a templated entity defined with the \keyword{constexpr} specifier.
 \end{itemize}
 An immediate-escalating expression shall appear only