1 files changed, 11 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-47278.rs b/tests/codegen-llvm/issues/issue-47278.rs
new file mode 100644
index 00000000000..4f0a5bdf36f
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-47278.rs
@@ -0,0 +1,11 @@
+// -C no-prepopulate-passes
+#![crate_type = "staticlib"]
+
+#[repr(C)]
+pub struct Foo(u64);
+
+// CHECK: define {{.*}} @foo(
+#[no_mangle]
+pub extern "C" fn foo(_: Foo) -> Foo {
+    loop {}
+}