1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/auxiliary/associated-types-cc-lib.rs b/src/test/ui/associated-types/auxiliary/associated-types-cc-lib.rs
new file mode 100644
index 000000000..b67853587
--- /dev/null
+++ b/src/test/ui/associated-types/auxiliary/associated-types-cc-lib.rs
@@ -0,0 +1,16 @@
+// Helper for test issue-18048, which tests associated types in a
+// cross-crate scenario.
+
+#![crate_type="lib"]
+
+pub trait Bar: Sized {
+    type T;
+
+    fn get(x: Option<Self>) -> <Self as Bar>::T;
+}
+
+impl Bar for isize {
+    type T = usize;
+
+    fn get(_: Option<isize>) -> usize { 22 }
+}