1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/issue-54499-field-mutation-of-moved-out.rs b/src/test/ui/borrowck/issue-54499-field-mutation-of-moved-out.rs
new file mode 100644
index 000000000..498ca01e9
--- /dev/null
+++ b/src/test/ui/borrowck/issue-54499-field-mutation-of-moved-out.rs
@@ -0,0 +1,42 @@
+#![warn(unused)]
+#[derive(Debug)]
+struct S(i32);
+
+type Tuple = (S, i32);
+struct Tpair(S, i32);
+struct Spair { x: S, y: i32 }
+
+fn main() {
+    {
+        let t: Tuple = (S(0), 0);
+        drop(t);
+        t.0 = S(1);
+        //~^ ERROR assign to part of moved value: `t` [E0382]
+        //~| ERROR cannot assign to `t.0`, as `t` is not declared as mutable [E0594]
+        t.1 = 2;
+        //~^ ERROR cannot assign to `t.1`, as `t` is not declared as mutable [E0594]
+        println!("{:?} {:?}", t.0, t.1);
+    }
+
+    {
+        let u: Tpair = Tpair(S(0), 0);
+        drop(u);
+        u.0 = S(1);
+        //~^ ERROR assign to part of moved value: `u` [E0382]
+        //~| ERROR cannot assign to `u.0`, as `u` is not declared as mutable [E0594]
+        u.1 = 2;
+        //~^ ERROR cannot assign to `u.1`, as `u` is not declared as mutable [E0594]
+        println!("{:?} {:?}", u.0, u.1);
+    }
+
+    {
+        let v: Spair = Spair { x: S(0), y: 0 };
+        drop(v);
+        v.x = S(1);
+        //~^ ERROR assign to part of moved value: `v` [E0382]
+        //~| ERROR cannot assign to `v.x`, as `v` is not declared as mutable [E0594]
+        v.y = 2;
+        //~^ ERROR cannot assign to `v.y`, as `v` is not declared as mutable [E0594]
+        println!("{:?} {:?}", v.x, v.y);
+    }
+}