+
+// Should not be linted to avoid hitting https://github.com/rust-lang/rust/issues/34162
+mod issue_5754 {
+ struct Test(String);
+
+ #[derive(PartialOrd, Ord, PartialEq, Eq)]
+ struct Wrapper<'a>(&'a str);
+
+ impl Test {
+ fn name(&self) -> &str {
+ &self.0
+ }
+
+ fn wrapped(&self) -> Wrapper<'_> {
+ Wrapper(&self.0)
+ }
+ }
+
+ pub fn test() {
+ let mut args: Vec<Test> = vec![];
+
+ // Forward
+ args.sort_by(|a, b| a.name().cmp(b.name()));
+ args.sort_by(|a, b| a.wrapped().cmp(&b.wrapped()));
+ args.sort_unstable_by(|a, b| a.name().cmp(b.name()));
+ args.sort_unstable_by(|a, b| a.wrapped().cmp(&b.wrapped()));
+ // Reverse
+ args.sort_by(|a, b| b.name().cmp(a.name()));
+ args.sort_by(|a, b| b.wrapped().cmp(&a.wrapped()));
+ args.sort_unstable_by(|a, b| b.name().cmp(a.name()));
+ args.sort_unstable_by(|a, b| b.wrapped().cmp(&a.wrapped()));
+ }
+}
+
+fn main() {
+ unnecessary_sort_by();
+ issue_5754::test();
+}