1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/coherence/coherence-overlap-messages.rs b/src/test/ui/coherence/coherence-overlap-messages.rs
new file mode 100644
index 000000000..1258a2371
--- /dev/null
+++ b/src/test/ui/coherence/coherence-overlap-messages.rs
@@ -0,0 +1,28 @@
+trait Foo { fn foo() {} }
+
+impl<T> Foo for T {}
+impl<U> Foo for U {}
+//~^ ERROR E0119
+
+
+trait Bar { fn bar() {} }
+
+impl<T> Bar for (T, u8) {}
+impl<T> Bar for (u8, T) {}
+//~^ ERROR E0119
+
+trait Baz<T> { fn baz() {} }
+
+impl<T> Baz<u8> for T {}
+impl<T> Baz<T> for u8 {}
+//~^ ERROR E0119
+
+trait Quux<U, V> { fn quux() {} }
+
+impl<T, U, V> Quux<U, V> for T {}
+impl<T, U> Quux<U, U> for T {}
+//~^ ERROR E0119
+impl<T, V> Quux<T, V> for T {}
+//~^ ERROR E0119
+
+fn main() {}