LWG3867 Should std::basic_osyncstream's move assignment operator be noexcept?

Author: burblebee

source/iostreams.tex

@@ -12510,7 +12510,7 @@
     ~basic_osyncstream();
 
     // assignment
-    basic_osyncstream& operator=(basic_osyncstream&&) noexcept;
+    basic_osyncstream& operator=(basic_osyncstream&&);
 
     // \ref{syncstream.osyncstream.members}, member functions
     void emit();