Merging upstream version 1.73.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/significant_drop_tightening.rs b/src/tools/clippy/tests/ui/significant_drop_tightening.rs
index 36f77cf1b..1620b7684 100644
--- a/src/tools/clippy/tests/ui/significant_drop_tightening.rs
+++ b/src/tools/clippy/tests/ui/significant_drop_tightening.rs
@@ -27,6 +27,56 @@ pub fn issue_10413() {
     }
 }
 
+pub fn issue_11128() {
+    use std::mem::drop as unlock;
+
+    struct Foo {
+        droppable: Option<Vec<i32>>,
+        mutex: Mutex<Vec<i32>>,
+    }
+
+    impl Drop for Foo {
+        fn drop(&mut self) {
+            if let Some(droppable) = self.droppable.take() {
+                let lock = self.mutex.lock().unwrap();
+                let idx_opt = lock.iter().copied().find(|el| Some(el) == droppable.first());
+                if let Some(idx) = idx_opt {
+                    let local_droppable = vec![lock.first().copied().unwrap_or_default()];
+                    unlock(lock);
+                    drop(local_droppable);
+                }
+            }
+        }
+    }
+}
+
+pub fn issue_11160() -> bool {
+    let mutex = Mutex::new(1i32);
+    let lock = mutex.lock().unwrap();
+    let _ = lock.abs();
+    true
+}
+
+pub fn issue_11189() {
+    struct Number {
+        pub value: u32,
+    }
+
+    fn do_something() -> Result<(), ()> {
+        let number = Mutex::new(Number { value: 1 });
+        let number2 = Mutex::new(Number { value: 2 });
+        let number3 = Mutex::new(Number { value: 3 });
+        let mut lock = number.lock().unwrap();
+        let mut lock2 = number2.lock().unwrap();
+        let mut lock3 = number3.lock().unwrap();
+        lock.value += 1;
+        lock2.value += 1;
+        lock3.value += 1;
+        drop((lock, lock2, lock3));
+        Ok(())
+    }
+}
+
 pub fn path_return_can_be_ignored() -> i32 {
     let mutex = Mutex::new(1);
     let lock = mutex.lock().unwrap();