LWG4053 Unary call to std::views::repeat does not decay the argument

Author: burblebee

source/ranges.tex

@@ -3476,8 +3476,8 @@
     constexpr auto size() const requires (!@\libconcept{same_as}@<Bound, unreachable_sentinel_t>);
   };
 
-  template<class T, class Bound>
-    repeat_view(T, Bound) -> repeat_view<T, Bound>;
+  template<class T, class Bound = unreachable_sentinel_t>
+    repeat_view(T, Bound = Bound()) -> repeat_view<T, Bound>;
 }
 \end{codeblock}