1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/nll/issue-51191.rs b/src/test/ui/nll/issue-51191.rs
new file mode 100644
index 000000000..836587d93
--- /dev/null
+++ b/src/test/ui/nll/issue-51191.rs
@@ -0,0 +1,34 @@
+struct Struct;
+
+impl Struct {
+    fn bar(self: &mut Self) {
+        //~^ WARN function cannot return without recursing
+        //~^^ HELP a `loop` may express intention better if this is on purpose
+        (&mut self).bar();
+        //~^ ERROR cannot borrow `self` as mutable, as it is not declared as mutable [E0596]
+        //~^^ HELP try removing `&mut` here
+    }
+
+    fn imm(self) { //~ HELP consider changing this to be mutable
+        (&mut self).bar();
+        //~^ ERROR cannot borrow `self` as mutable, as it is not declared as mutable [E0596]
+    }
+
+    fn mtbl(mut self) {
+        (&mut self).bar();
+    }
+
+    fn immref(&self) {
+        (&mut self).bar();
+        //~^ ERROR cannot borrow `self` as mutable, as it is not declared as mutable [E0596]
+        //~^^ ERROR cannot borrow data in a `&` reference as mutable [E0596]
+    }
+
+    fn mtblref(&mut self) {
+        (&mut self).bar();
+        //~^ ERROR cannot borrow `self` as mutable, as it is not declared as mutable [E0596]
+        //~^^ HELP try removing `&mut` here
+    }
+}
+
+fn main() {}