`ref_option_ref` do not lint when inner reference is mutable

As it makes the `Option` Non Copy

1 files changed, 5 insertions, 0 deletions

diff --git a/tests/ui/ref_option_ref.rs b/tests/ui/ref_option_ref.rs
index 2df45c927d7..e487799e152 100644
--- a/tests/ui/ref_option_ref.rs
+++ b/tests/ui/ref_option_ref.rs
@@ -45,3 +45,8 @@ impl RefOptTrait for u32 {
 fn main() {
     let x: &Option<&u32> = &None;
 }
+
+fn issue9682(arg: &Option<&mut String>) {
+    // Should not lint, as the inner ref is mutable making it non `Copy`
+    println!("{arg:?}");
+}