LWG4106 basic_format_args should not be default-constructible

Author: burblebee

source/utilities.tex

@@ -18651,8 +18651,6 @@
     const basic_format_arg<Context>* data_;     // \expos
 
   public:
-    basic_format_args() noexcept;
-
     template<class... Args>
       basic_format_args(const @\exposid{format-arg-store}@<Context, Args...>& store) noexcept;
 
@@ -18675,17 +18673,6 @@
 and packing the former.
 \end{note}
 
-\indexlibraryctor{basic_format_args}%
-\begin{itemdecl}
-basic_format_args() noexcept;
-\end{itemdecl}
-
-\begin{itemdescr}
-\pnum
-\effects
-Initializes \tcode{size_} with \tcode{0}.
-\end{itemdescr}
-
 \indexlibraryctor{basic_format_args}%
 \begin{itemdecl}
 template<class... Args>