1 files changed, 19 insertions, 6 deletions
diff --git a/src/tools/clippy/tests/ui/eta.fixed b/src/tools/clippy/tests/ui/eta.fixed
index f8d559bf2..a9cc80aaa 100644
--- a/src/tools/clippy/tests/ui/eta.fixed
+++ b/src/tools/clippy/tests/ui/eta.fixed
@@ -1,14 +1,14 @@
 // run-rustfix
-
+#![warn(clippy::redundant_closure, clippy::redundant_closure_for_method_calls)]
+#![allow(unused)]
 #![allow(
-    unused,
-    clippy::no_effect,
-    clippy::redundant_closure_call,
+    clippy::needless_borrow,
     clippy::needless_pass_by_value,
+    clippy::no_effect,
     clippy::option_map_unit_fn,
-    clippy::needless_borrow
+    clippy::redundant_closure_call,
+    clippy::uninlined_format_args
 )]
-#![warn(clippy::redundant_closure, clippy::redundant_closure_for_method_calls)]
 
 use std::path::{Path, PathBuf};
 
@@ -303,3 +303,16 @@ fn not_general_enough() {
     fn f(_: impl FnMut(&Path) -> std::io::Result<()>) {}
     f(|path| std::fs::remove_file(path));
 }
+
+// https://github.com/rust-lang/rust-clippy/issues/9369
+pub fn mutable_impl_fn_mut(mut f: impl FnMut(), mut f_used_once: impl FnMut()) -> impl FnMut() {
+    fn takes_fn_mut(_: impl FnMut()) {}
+    takes_fn_mut(&mut f);
+
+    fn takes_fn_once(_: impl FnOnce()) {}
+    takes_fn_once(&mut f);
+
+    f();
+
+    move || takes_fn_mut(&mut f_used_once)
+}