1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/dyn-compatibility/erroneous_signature.rs b/tests/ui/dyn-compatibility/erroneous_signature.rs
new file mode 100644
index 00000000000..cc1841cc4b2
--- /dev/null
+++ b/tests/ui/dyn-compatibility/erroneous_signature.rs
@@ -0,0 +1,17 @@
+trait Foo {
+    fn err(&self) -> MissingType;
+    //~^ ERROR cannot find type `MissingType` in this scope
+}
+
+impl Foo for i32 {
+    fn err(&self) -> MissingType {
+        //~^ ERROR cannot find type `MissingType` in this scope
+        0
+    }
+}
+
+fn coerce(x: &i32) -> &dyn Foo {
+    x
+}
+
+fn main() {}