CWG2081 Deduced return type in redeclaration or specialization of function template

Author: Dawn Perchik

source/declarations.tex

@@ -1692,6 +1692,10 @@
 Redeclarations or specializations of a function or function template with a
 declared return type that uses a placeholder type shall also use that
 placeholder, not a deduced type.
+Similarly,
+redeclarations or specializations of a function or function template with a
+declared return type that does not use a placeholder type
+shall not use a placeholder.
 \begin{example}
 \begin{codeblock}
 auto f();