1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/traits/unspecified-self-in-trait-ref.rs b/tests/ui/traits/unspecified-self-in-trait-ref.rs
new file mode 100644
index 00000000000..158b5a98557
--- /dev/null
+++ b/tests/ui/traits/unspecified-self-in-trait-ref.rs
@@ -0,0 +1,30 @@
+pub trait Foo<A=Self> {
+    fn foo(&self);
+}
+
+pub trait Bar<X=usize, A=Self> {
+    fn foo(&self);
+}
+
+fn main() {
+    let a = Foo::lol();
+    //~^ ERROR no function or associated item named
+    //~| WARN trait objects without an explicit `dyn` are deprecated
+    //~| WARN this is accepted in the current edition
+    let b = Foo::<_>::lol();
+    //~^ ERROR no function or associated item named
+    //~| WARN trait objects without an explicit `dyn` are deprecated
+    //~| WARN this is accepted in the current edition
+    let c = Bar::lol();
+    //~^ ERROR no function or associated item named
+    //~| WARN trait objects without an explicit `dyn` are deprecated
+    //~| WARN this is accepted in the current edition
+    let d = Bar::<usize, _>::lol();
+    //~^ ERROR no function or associated item named
+    //~| WARN trait objects without an explicit `dyn` are deprecated
+    //~| WARN this is accepted in the current edition
+    let e = Bar::<usize>::lol();
+    //~^ ERROR must be explicitly specified
+    //~| WARN trait objects without an explicit `dyn` are deprecated
+    //~| WARN this is accepted in the current edition
+}