1 files changed, 22 insertions, 0 deletions

diff --git a/tests/codegen/issues/issue-47442.rs b/tests/codegen/issues/issue-47442.rs
new file mode 100644
index 000000000..6944336d3
--- /dev/null
+++ b/tests/codegen/issues/issue-47442.rs
@@ -0,0 +1,22 @@
+// check that we don't emit unneeded `resume` cleanup blocks for every
+// destructor.
+
+// CHECK-NOT: Unwind
+
+#![feature(test)]
+#![crate_type="rlib"]
+
+extern crate test;
+
+struct Foo {}
+
+impl Drop for Foo {
+    fn drop(&mut self) {
+        test::black_box(());
+    }
+}
+
+#[no_mangle]
+pub fn foo() {
+    let _foo = Foo {};
+}