1 files changed, 125 insertions, 19 deletions

diff --git a/src/tools/clippy/tests/ui/needless_borrow.fixed b/src/tools/clippy/tests/ui/needless_borrow.fixed
index 340e89d2d..4cb7f6b68 100644
--- a/src/tools/clippy/tests/ui/needless_borrow.fixed
+++ b/src/tools/clippy/tests/ui/needless_borrow.fixed
@@ -1,13 +1,13 @@
 // run-rustfix
-#![feature(custom_inner_attributes, lint_reasons)]
-
-#[warn(clippy::all, clippy::needless_borrow)]
-#[allow(unused_variables)]
-#[allow(
+#![feature(lint_reasons)]
+#![allow(
+    unused,
     clippy::uninlined_format_args,
     clippy::unnecessary_mut_passed,
     clippy::unnecessary_to_owned
 )]
+#![warn(clippy::needless_borrow)]
+
 fn main() {
     let a = 5;
     let ref_a = &a;
@@ -171,14 +171,12 @@ impl<'a> Trait for &'a str {}
 
 fn h(_: &dyn Trait) {}
 
-#[allow(dead_code)]
 fn check_expect_suppression() {
     let a = 5;
     #[expect(clippy::needless_borrow)]
     let _ = x(&&a);
 }
 
-#[allow(dead_code)]
 mod issue9160 {
     pub struct S<F> {
         f: F,
@@ -267,7 +265,6 @@ where
 }
 
 // https://github.com/rust-lang/rust-clippy/pull/9136#pullrequestreview-1037379321
-#[allow(dead_code)]
 mod copyable_iterator {
     #[derive(Clone, Copy)]
     struct Iter;
@@ -287,25 +284,20 @@ mod copyable_iterator {
     }
 }
 
+#[clippy::msrv = "1.52.0"]
 mod under_msrv {
-    #![allow(dead_code)]
-    #![clippy::msrv = "1.52.0"]
-
     fn foo() {
         let _ = std::process::Command::new("ls").args(&["-a", "-l"]).status().unwrap();
     }
 }
 
+#[clippy::msrv = "1.53.0"]
 mod meets_msrv {
-    #![allow(dead_code)]
-    #![clippy::msrv = "1.53.0"]
-
     fn foo() {
         let _ = std::process::Command::new("ls").args(["-a", "-l"]).status().unwrap();
     }
 }
 
-#[allow(unused)]
 fn issue9383() {
     // Should not lint because unions need explicit deref when accessing field
     use std::mem::ManuallyDrop;
@@ -334,7 +326,6 @@ fn issue9383() {
     }
 }
 
-#[allow(dead_code)]
 fn closure_test() {
     let env = "env".to_owned();
     let arg = "arg".to_owned();
@@ -348,7 +339,6 @@ fn closure_test() {
     f(arg);
 }
 
-#[allow(dead_code)]
 mod significant_drop {
     #[derive(Debug)]
     struct X;
@@ -368,7 +358,6 @@ mod significant_drop {
     fn debug(_: impl std::fmt::Debug) {}
 }
 
-#[allow(dead_code)]
 mod used_exactly_once {
     fn foo(x: String) {
         use_x(x);
@@ -376,7 +365,6 @@ mod used_exactly_once {
     fn use_x(_: impl AsRef<str>) {}
 }
 
-#[allow(dead_code)]
 mod used_more_than_once {
     fn foo(x: String) {
         use_x(&x);
@@ -385,3 +373,121 @@ mod used_more_than_once {
     fn use_x(_: impl AsRef<str>) {}
     fn use_x_again(_: impl AsRef<str>) {}
 }
+
+// https://github.com/rust-lang/rust-clippy/issues/9111#issuecomment-1277114280
+mod issue_9111 {
+    struct A;
+
+    impl Extend<u8> for A {
+        fn extend<T: IntoIterator<Item = u8>>(&mut self, _: T) {
+            unimplemented!()
+        }
+    }
+
+    impl<'a> Extend<&'a u8> for A {
+        fn extend<T: IntoIterator<Item = &'a u8>>(&mut self, _: T) {
+            unimplemented!()
+        }
+    }
+
+    fn main() {
+        let mut a = A;
+        a.extend(&[]); // vs a.extend([]);
+    }
+}
+
+mod issue_9710 {
+    fn main() {
+        let string = String::new();
+        for _i in 0..10 {
+            f(&string);
+        }
+    }
+
+    fn f<T: AsRef<str>>(_: T) {}
+}
+
+mod issue_9739 {
+    fn foo<D: std::fmt::Display>(_it: impl IntoIterator<Item = D>) {}
+
+    fn main() {
+        foo(if std::env::var_os("HI").is_some() {
+            &[0]
+        } else {
+            &[] as &[u32]
+        });
+    }
+}
+
+mod issue_9739_method_variant {
+    struct S;
+
+    impl S {
+        fn foo<D: std::fmt::Display>(&self, _it: impl IntoIterator<Item = D>) {}
+    }
+
+    fn main() {
+        S.foo(if std::env::var_os("HI").is_some() {
+            &[0]
+        } else {
+            &[] as &[u32]
+        });
+    }
+}
+
+mod issue_9782 {
+    fn foo<T: AsRef<[u8]>>(t: T) {
+        println!("{}", std::mem::size_of::<T>());
+        let _t: &[u8] = t.as_ref();
+    }
+
+    fn main() {
+        let a: [u8; 100] = [0u8; 100];
+
+        // 100
+        foo::<[u8; 100]>(a);
+        foo(a);
+
+        // 16
+        foo::<&[u8]>(&a);
+        foo(a.as_slice());
+
+        // 8
+        foo::<&[u8; 100]>(&a);
+        foo(a);
+    }
+}
+
+mod issue_9782_type_relative_variant {
+    struct S;
+
+    impl S {
+        fn foo<T: AsRef<[u8]>>(t: T) {
+            println!("{}", std::mem::size_of::<T>());
+            let _t: &[u8] = t.as_ref();
+        }
+    }
+
+    fn main() {
+        let a: [u8; 100] = [0u8; 100];
+
+        S::foo::<&[u8; 100]>(&a);
+    }
+}
+
+mod issue_9782_method_variant {
+    struct S;
+
+    impl S {
+        fn foo<T: AsRef<[u8]>>(&self, t: T) {
+            println!("{}", std::mem::size_of::<T>());
+            let _t: &[u8] = t.as_ref();
+        }
+    }
+
+    fn main() {
+        let a: [u8; 100] = [0u8; 100];
+
+        S.foo::<&[u8; 100]>(&a);
+    }
+}