Merge commit 'da5a6fb1b65ec6581a67e942a3850f6bc15a552c' into clippyup

[rust.git] / src / tools / clippy / tests / ui / redundant_clone.fixed

diff --git a/src/tools/clippy/tests/ui/redundant_clone.fixed b/src/tools/clippy/tests/ui/redundant_clone.fixed
index 764c10a6d398feaa87957ed4bdbe7f353f7fb657..cdeefda4c234c071e573445af3e10e1f0e404702 100644 (file)
--- a/src/tools/clippy/tests/ui/redundant_clone.fixed
+++ b/src/tools/clippy/tests/ui/redundant_clone.fixed
@@ -52,6 +52,7 @@ fn main() {
     borrower_propagation();
     not_consumed();
     issue_5405();
+    manually_drop();
 }
 
 #[derive(Clone)]
@@ -170,3 +171,17 @@ fn issue_5405() {
     let c: [usize; 2] = [2, 3];
     let _d: usize = c[1].clone();
 }
+
+fn manually_drop() {
+    use std::mem::ManuallyDrop;
+    use std::sync::Arc;
+
+    let a = ManuallyDrop::new(Arc::new("Hello!".to_owned()));
+    let _ = a.clone(); // OK
+
+    let p: *const String = Arc::into_raw(ManuallyDrop::into_inner(a));
+    unsafe {
+        Arc::from_raw(p);
+        Arc::from_raw(p);
+    }
+}