1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence_inherent.rs b/tests/ui/coherence/coherence_inherent.rs
new file mode 100644
index 000000000..f3ebf0003
--- /dev/null
+++ b/tests/ui/coherence/coherence_inherent.rs
@@ -0,0 +1,36 @@
+// Tests that methods that implement a trait cannot be invoked
+// unless the trait is imported.
+
+mod Lib {
+    pub trait TheTrait {
+        fn the_fn(&self);
+    }
+
+    pub struct TheStruct;
+
+    impl TheTrait for TheStruct {
+        fn the_fn(&self) {}
+    }
+}
+
+mod Import {
+    // Trait is in scope here:
+    use Lib::TheStruct;
+    use Lib::TheTrait;
+
+    fn call_the_fn(s: &TheStruct) {
+        s.the_fn();
+    }
+}
+
+mod NoImport {
+    // Trait is not in scope here:
+    use Lib::TheStruct;
+
+    fn call_the_fn(s: &TheStruct) {
+        s.the_fn();
+        //~^ ERROR E0599
+    }
+}
+
+fn main() {}