1 files changed, 11 insertions, 0 deletions
diff --git a/tests/codegen-llvm/noalias-box-off.rs b/tests/codegen-llvm/noalias-box-off.rs
new file mode 100644
index 00000000000..664c7950280
--- /dev/null
+++ b/tests/codegen-llvm/noalias-box-off.rs
@@ -0,0 +1,11 @@
+//@ compile-flags: -Copt-level=3 -Z box-noalias=no
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @box_should_not_have_noalias_if_disabled(
+// CHECK-NOT: noalias
+// CHECK-SAME: %foo)
+#[no_mangle]
+pub fn box_should_not_have_noalias_if_disabled(foo: Box<u8>) {
+    drop(foo);
+}