Proposed resolution:

This wording is relative to N5014.

1. Modify [exec.cmplsig] as indicated:

   -8-

   namespace std::execution {
     template<completion-signature... Fns>
       struct completion_signatures {
         template<class Tag>
           static constexpr size_t count-of(Tag) { return see below; }
   
         template<class Fn>
           static constexpr void for-each(Fn&& fn) {               // exposition only
             (std::forward<Fn>(fn)fn(static_cast<Fns*>(nullptr)), ...);
           }
       };
   
     […]
   }
   

[ Kona 2025-11-08; Status changed: Immediate → WP. ]

[ Kona 2025-11-05; approved by LWG. Status changed: New → Immediate. ]

`fn` can be called multiple times and therefore should not be forwarded.