1 files changed, 60 insertions, 0 deletions
diff --git a/tests/ui/traits/suggest-fully-qualified-path-with-adjustment.rs b/tests/ui/traits/suggest-fully-qualified-path-with-adjustment.rs
new file mode 100644
index 000000000..9a2cf469d
--- /dev/null
+++ b/tests/ui/traits/suggest-fully-qualified-path-with-adjustment.rs
@@ -0,0 +1,60 @@
+use std::ops::{Deref, DerefMut};
+
+struct Thing;
+
+trait Method<T> {
+    fn method(&self) -> T;
+    fn mut_method(&mut self) -> T;
+}
+
+impl Method<i32> for Thing {
+    fn method(&self) -> i32 { 0 }
+    fn mut_method(&mut self) -> i32 { 0 }
+}
+
+impl Method<u32> for Thing {
+    fn method(&self) -> u32 { 0 }
+    fn mut_method(&mut self) -> u32 { 0 }
+}
+trait MethodRef<T> {
+    fn by_self(self);
+}
+impl MethodRef<i32> for &Thing {
+    fn by_self(self) {}
+}
+impl MethodRef<u32> for &Thing {
+    fn by_self(self) {}
+}
+
+
+struct DerefsTo<T>(T);
+impl<T> Deref for DerefsTo<T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl<T> DerefMut for DerefsTo<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+fn main() {
+    let mut thing = Thing;
+    thing.method();
+    //~^ ERROR type annotations needed
+    //~| ERROR type annotations needed
+    thing.mut_method(); //~ ERROR type annotations needed
+    thing.by_self(); //~ ERROR type annotations needed
+
+    let mut deref_to = DerefsTo(Thing);
+    deref_to.method(); //~ ERROR type annotations needed
+    deref_to.mut_method(); //~ ERROR type annotations needed
+    deref_to.by_self(); //~ ERROR type annotations needed
+
+    let mut deref_deref_to = DerefsTo(DerefsTo(Thing));
+    deref_deref_to.method(); //~ ERROR type annotations needed
+    deref_deref_to.mut_method(); //~ ERROR type annotations needed
+    deref_deref_to.by_self(); //~ ERROR type annotations needed
+}