Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 31 insertions, 0 deletions

diff --git a/tests/ui/mir/mir_dynamic_drops_1.rs b/tests/ui/mir/mir_dynamic_drops_1.rs
new file mode 100644
index 000000000..2b33b6166
--- /dev/null
+++ b/tests/ui/mir/mir_dynamic_drops_1.rs
@@ -0,0 +1,31 @@
+// run-fail
+// error-pattern:drop 1
+// error-pattern:drop 2
+// ignore-emscripten no processes
+
+/// Structure which will not allow to be dropped twice.
+struct Droppable<'a>(&'a mut bool, u32);
+impl<'a> Drop for Droppable<'a> {
+    fn drop(&mut self) {
+        if *self.0 {
+            eprintln!("{} dropped twice", self.1);
+            ::std::process::exit(1);
+        }
+        eprintln!("drop {}", self.1);
+        *self.0 = true;
+    }
+}
+
+fn mir() {
+    let (mut xv, mut yv) = (false, false);
+    let x = Droppable(&mut xv, 1);
+    let y = Droppable(&mut yv, 2);
+    let mut z = x;
+    let k = y;
+    z = k;
+}
+
+fn main() {
+    mir();
+    panic!();
+}