1 files changed, 56 insertions, 0 deletions
diff --git a/tests/ui/nll/closure-access-spans.rs b/tests/ui/nll/closure-access-spans.rs
new file mode 100644
index 000000000..2a59e80b2
--- /dev/null
+++ b/tests/ui/nll/closure-access-spans.rs
@@ -0,0 +1,56 @@
+// check that accesses due to a closure capture give a special note
+
+fn closure_imm_capture_conflict(mut x: i32) {
+    let r = &mut x;
+    || x; //~ ERROR
+    r.use_mut();
+}
+
+fn closure_mut_capture_conflict(mut x: i32) {
+    let r = &mut x;
+    || x = 2; //~ ERROR
+    r.use_mut();
+}
+
+fn closure_unique_capture_conflict(mut x: &mut i32) {
+    let r = &mut x;
+    || *x = 2; //~ ERROR
+    r.use_mut();
+}
+
+fn closure_copy_capture_conflict(mut x: i32) {
+    let r = &mut x;
+    move || x; //~ ERROR
+    r.use_ref();
+}
+
+fn closure_move_capture_conflict(mut x: String) {
+    let r = &x;
+    || x; //~ ERROR
+    r.use_ref();
+}
+
+fn closure_imm_capture_moved(mut x: String) {
+    let r = x;
+    || x.len(); //~ ERROR
+}
+
+fn closure_mut_capture_moved(mut x: String) {
+    let r = x;
+    || x = String::new(); //~ ERROR
+}
+
+fn closure_unique_capture_moved(x: &mut String) {
+    let r = x;
+    || *x = String::new(); //~ ERROR
+}
+
+fn closure_move_capture_moved(x: &mut String) {
+    let r = x;
+    || x; //~ ERROR
+}
+
+fn main() {}
+
+trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
+impl<T> Fake for T { }