Merge pull request #54403 from akrieger/default_moving

Cata stream subclasses need noexcept move operations.

src/filesystem.h

@@ -93,6 +93,8 @@ class basic_ifstream : public std::basic_ifstream<charT, traits>
         }
         basic_ifstream( const basic_ifstream & ) = delete;
         const basic_ifstream &operator=( const basic_ifstream & ) = delete;
+        basic_ifstream( basic_ifstream && ) noexcept = default;
+        basic_ifstream &operator=( basic_ifstream && ) noexcept = default;
         ~basic_ifstream() override = default;
 };
 
@@ -109,6 +111,8 @@ class basic_ofstream : public std::basic_ofstream<charT, traits>
         }
         basic_ofstream( const basic_ofstream & ) = delete;
         const basic_ofstream &operator=( const basic_ofstream & ) = delete;
+        basic_ofstream( basic_ofstream && ) noexcept = default;
+        basic_ofstream &operator=( basic_ofstream && ) noexcept = default;
         ~basic_ofstream() override = default;
 };