Add missing <includes>

Author: JMazurkiewicz

libcxx/include/__ranges/join_with_view.h

@@ -15,6 +15,7 @@
 #include <__concepts/constructible.h>
 #include <__concepts/convertible_to.h>
 #include <__concepts/derived_from.h>
+#include <__concepts/equality_comparable.h>
 #include <__config>
 #include <__functional/bind_back.h>
 #include <__iterator/concepts.h>

libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.iterator/no_unique_address.compile.pass.cpp

@@ -13,8 +13,9 @@
 
 // This test ensures that we use `[[no_unique_address]]` in `join_with_view::iterator`.
 
-#include <iterator>
+#include <cstddef>
 #include <ranges>
+#include <variant>
 
 struct IntRange : std::ranges::view_base {
   int* begin();

libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.overview/adaptor.pass.cpp

@@ -14,6 +14,7 @@
 
 #include <ranges>
 
+#include <memory>
 #include <span>
 #include <string_view>
 #include <utility>