1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence-where-clause.rs b/tests/ui/coherence/coherence-where-clause.rs
new file mode 100644
index 00000000000..5c40def86bb
--- /dev/null
+++ b/tests/ui/coherence/coherence-where-clause.rs
@@ -0,0 +1,38 @@
+// run-pass
+
+use std::fmt::Debug;
+use std::default::Default;
+
+trait MyTrait {
+    fn get(&self) -> Self;
+}
+
+impl<T> MyTrait for T
+    where T : Default
+{
+    fn get(&self) -> T {
+        Default::default()
+    }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+struct MyType {
+    dummy: usize
+}
+
+impl MyTrait for MyType {
+    fn get(&self) -> MyType { (*self).clone() }
+}
+
+fn test_eq<M>(m: M, n: M)
+where M : MyTrait + Debug + PartialEq
+{
+    assert_eq!(m.get(), n);
+}
+
+pub fn main() {
+    test_eq(0_usize, 0_usize);
+
+    let value = MyType { dummy: 256 + 22 };
+    test_eq(value, value);
+}