diff --git a/src/test/run-pass/trait-composition-trivial.rs b/src/test/run-pass/trait-composition-trivial.rs
new file mode 100644
index 000000000000..7bbd309a10a2
--- /dev/null
+++ b/src/test/run-pass/trait-composition-trivial.rs
@@ -0,0 +1,11 @@
+trait Foo {
+    fn foo();
+}
+
+trait Bar : Foo {
+    fn bar();
+}
+
+fn main() {}
+
+