1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/traits/trivial_impl3.rs b/tests/ui/traits/trivial_impl3.rs
new file mode 100644
index 000000000..714f643bc
--- /dev/null
+++ b/tests/ui/traits/trivial_impl3.rs
@@ -0,0 +1,19 @@
+//! Check that we don't break orphan rules.
+//! The dependency may add an impl for `u8` later,
+//! which would break this crate. We want to avoid adding
+//! more ways in which adding an impl can be a breaking change.
+
+// aux-build:trivial3.rs
+
+extern crate trivial3;
+
+pub trait Foo {
+    fn foo()
+    where
+        Self: trivial3::Trait;
+}
+
+impl Foo for u8 {}
+//~^ ERROR not all trait items implemented, missing: `foo`
+
+fn main() {}