CWG2457 Unexpanded parameter packs don't make a function type dependent

Author: burblebee

source/templates.tex

@@ -5349,6 +5349,8 @@
 an array type whose element type is dependent or whose
 bound (if any) is value-dependent,
 \item
+a function type whose parameters include one or more function parameter packs,
+\item
 a function type whose exception specification is value-dependent,
 \item
 denoted by a \grammarterm{simple-template-id}