diff --git a/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs b/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs
index 59092dbf637..15bd0f17421 100644
--- a/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs
+++ b/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs
@@ -3,4 +3,6 @@
 
 #![crate_type = "lib"]
 
-pub fn foo<T>() {}
+pub fn foo<T: Default>() -> T {
+    T::default()
+}
diff --git a/tests/codegen/remap_path_prefix/xcrate-generic.rs b/tests/codegen/remap_path_prefix/xcrate-generic.rs
index 7a9d2ca9b6b..399deec1fc9 100644
--- a/tests/codegen/remap_path_prefix/xcrate-generic.rs
+++ b/tests/codegen/remap_path_prefix/xcrate-generic.rs
@@ -7,7 +7,7 @@
 extern crate xcrate_generic;
 
 pub fn foo() {
-    xcrate_generic::foo::<u32>();
+    println!("{}", xcrate_generic::foo::<u32>());
 }
 
 // Here we check that local debuginfo is mapped correctly.