1 files changed, 13 insertions, 0 deletions
diff --git a/tests/codegen/alloc-optimisation.rs b/tests/codegen/alloc-optimisation.rs
new file mode 100644
index 000000000..c3ffaeb95
--- /dev/null
+++ b/tests/codegen/alloc-optimisation.rs
@@ -0,0 +1,13 @@
+//
+// no-system-llvm
+// compile-flags: -O
+#![crate_type="lib"]
+
+#[no_mangle]
+pub fn alloc_test(data: u32) {
+    // CHECK-LABEL: @alloc_test
+    // CHECK-NEXT: start:
+    // CHECK-NEXT: ret void
+    let x = Box::new(data);
+    drop(x);
+}