Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/ui/drop/issue-35546.rs b/src/test/ui/drop/issue-35546.rs
new file mode 100644
index 000000000..004679a62
--- /dev/null
+++ b/src/test/ui/drop/issue-35546.rs
@@ -0,0 +1,20 @@
+// build-pass
+#![allow(dead_code)]
+// Regression test for #35546. Check that we are able to codegen
+// this. Before we had problems because of the drop glue signature
+// around dropping a trait object (specifically, when dropping the
+// `value` field of `Node<Send>`).
+
+struct Node<T: ?Sized + Send> {
+    next: Option<Box<Node<dyn Send>>>,
+    value: T,
+}
+
+fn clear(head: &mut Option<Box<Node<dyn Send>>>) {
+    match head.take() {
+        Some(node) => *head = node.next,
+        None => (),
+    }
+}
+
+fn main() {}