LWG2942 LWG 2873's resolution missed weak_ptr::owner_before

Author: Dawn Perchik

source/utilities.tex

@@ -10494,8 +10494,8 @@
     long use_count() const noexcept;
     bool expired() const noexcept;
     shared_ptr<T> lock() const noexcept;
-    template<class U> bool owner_before(const shared_ptr<U>& b) const;
-    template<class U> bool owner_before(const weak_ptr<U>& b) const;
+    template<class U> bool owner_before(const shared_ptr<U>& b) const noexcept;
+    template<class U> bool owner_before(const weak_ptr<U>& b) const noexcept;
   };
 
   template<class T> weak_ptr(shared_ptr<T>) -> weak_ptr<T>;
@@ -10654,8 +10654,8 @@
 
 \indexlibrarymember{owner_before}{weak_ptr}%
 \begin{itemdecl}
-template<class U> bool owner_before(const shared_ptr<U>& b) const;
-template<class U> bool owner_before(const weak_ptr<U>& b) const;
+template<class U> bool owner_before(const shared_ptr<U>& b) const noexcept;
+template<class U> bool owner_before(const weak_ptr<U>& b) const noexcept;
 \end{itemdecl}
 
 \begin{itemdescr}