1 files changed, 14 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-13018.rs b/tests/codegen-llvm/issues/issue-13018.rs
new file mode 100644
index 00000000000..8040018b931
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-13018.rs
@@ -0,0 +1,14 @@
+//@ compile-flags: -Copt-level=3
+
+// A drop([...].clone()) sequence on an Rc should be a no-op
+// In particular, no call to __rust_dealloc should be emitted
+//
+// We use a cdylib since it's a leaf unit for Rust purposes, so doesn't codegen -Zshare-generics
+// code.
+#![crate_type = "cdylib"]
+use std::rc::Rc;
+
+pub fn foo(t: &Rc<Vec<usize>>) {
+    // CHECK-NOT: __rust_dealloc
+    drop(t.clone());
+}