Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/ui/mir/mir_fat_ptr_drop.rs b/tests/ui/mir/mir_fat_ptr_drop.rs
new file mode 100644
index 000000000..d865c3499
--- /dev/null
+++ b/tests/ui/mir/mir_fat_ptr_drop.rs
@@ -0,0 +1,32 @@
+// run-pass
+#![allow(unused_variables)]
+#![allow(stable_features)]
+
+// test that ordinary fat pointer operations work.
+
+#![feature(braced_empty_structs)]
+#![feature(rustc_attrs)]
+
+use std::sync::atomic;
+use std::sync::atomic::Ordering::SeqCst;
+
+static COUNTER: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
+
+struct DropMe {
+}
+
+impl Drop for DropMe {
+    fn drop(&mut self) {
+        COUNTER.fetch_add(1, SeqCst);
+    }
+}
+
+fn fat_ptr_move_then_drop(a: Box<[DropMe]>) {
+    let b = a;
+}
+
+fn main() {
+    let a: Box<[DropMe]> = Box::new([DropMe { }]);
+    fat_ptr_move_then_drop(a);
+    assert_eq!(COUNTER.load(SeqCst), 1);
+}