--- /dev/null
+// aux-build:proc_macro_attr.rs
+
+#![warn(clippy::needless_arbitrary_self_type)]
+
+#[macro_use]
+extern crate proc_macro_attr;
+
+mod issue_6089 {
+ // Check that we don't lint if the `self` parameter comes from expansion
+
+ macro_rules! test_from_expansion {
+ () => {
+ trait T1 {
+ fn test(self: &Self);
+ }
+
+ struct S1 {}
+
+ impl T1 for S1 {
+ fn test(self: &Self) {}
+ }
+ };
+ }
+
+ test_from_expansion!();
+
+ // If only the lifetime name comes from expansion we will lint, but the suggestion will have
+ // placeholders and will not be applied automatically, as we can't reliably know the original name.
+ // This specific case happened with async_trait.
+
+ trait T2 {
+ fn call_with_mut_self(&mut self);
+ }
+
+ struct S2 {}
+
+ // The method's signature will be expanded to:
+ // fn call_with_mut_self<'life0>(self: &'life0 mut Self) {}
+ #[rename_my_lifetimes]
+ impl T2 for S2 {
+ fn call_with_mut_self(self: &mut Self) {}
+ }
+}
+
+fn main() {}