1 files changed, 9 insertions, 0 deletions
diff --git a/tests/codegen-units/item-collection/unreferenced-const-fn.rs b/tests/codegen-units/item-collection/unreferenced-const-fn.rs
new file mode 100644
index 000000000..17b92eae0
--- /dev/null
+++ b/tests/codegen-units/item-collection/unreferenced-const-fn.rs
@@ -0,0 +1,9 @@
+// compile-flags:-Zprint-mono-items=lazy
+
+#![deny(dead_code)]
+#![crate_type = "rlib"]
+
+//~ MONO_ITEM fn foo @@ unreferenced_const_fn-cgu.0[External]
+pub const fn foo(x: u32) -> u32 {
+    x + 0xf00
+}