Merging upstream version 1.71.1+dfsg1.

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

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/ui/lint/forgetting_copy_types.rs b/tests/ui/lint/forgetting_copy_types.rs
new file mode 100644
index 000000000..224c7bcd5
--- /dev/null
+++ b/tests/ui/lint/forgetting_copy_types.rs
@@ -0,0 +1,56 @@
+// check-pass
+
+#![warn(forgetting_copy_types)]
+
+use std::mem::forget;
+use std::vec::Vec;
+
+#[derive(Copy, Clone)]
+struct SomeStruct;
+
+struct AnotherStruct {
+    x: u8,
+    y: u8,
+    z: Vec<u8>,
+}
+
+impl Clone for AnotherStruct {
+    fn clone(&self) -> AnotherStruct {
+        AnotherStruct {
+            x: self.x,
+            y: self.y,
+            z: self.z.clone(),
+        }
+    }
+}
+
+fn main() {
+    let s1 = SomeStruct {};
+    let s2 = s1;
+    let s3 = &s1;
+    let mut s4 = s1;
+    let ref s5 = s1;
+
+    forget(s1); //~ WARN calls to `std::mem::forget`
+    forget(s2); //~ WARN calls to `std::mem::forget`
+    forget(s3); //~ WARN calls to `std::mem::forget`
+    forget(s4); //~ WARN calls to `std::mem::forget`
+    forget(s5); //~ WARN calls to `std::mem::forget`
+
+    let a1 = AnotherStruct {
+        x: 255,
+        y: 0,
+        z: vec![1, 2, 3],
+    };
+    let a2 = &a1;
+    let mut a3 = a1.clone();
+    let ref a4 = a1;
+    let a5 = a1.clone();
+
+    forget(a2); //~ WARN calls to `std::mem::forget`
+    let a3 = &a1;
+    forget(a3); //~ WARN calls to `std::mem::forget`
+    forget(a4); //~ WARN calls to `std::mem::forget`
+    let a5 = a1.clone();
+    forget(a5);
+}