1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-54499-field-mutation-of-moved-out-with-mut.rs b/tests/ui/borrowck/issue-54499-field-mutation-of-moved-out-with-mut.rs
new file mode 100644
index 00000000000..f7fb2fd4da9
--- /dev/null
+++ b/tests/ui/borrowck/issue-54499-field-mutation-of-moved-out-with-mut.rs
@@ -0,0 +1,36 @@
+#![warn(unused)]
+#[derive(Debug)]
+struct S(i32);
+
+type Tuple = (S, i32);
+struct Tpair(S, i32);
+struct Spair { x: S, y: i32 }
+
+fn main() {
+    {
+        let mut t: Tuple = (S(0), 0);
+        drop(t);
+        t.0 = S(1);
+        //~^ ERROR assign to part of moved value
+        t.1 = 2;
+        println!("{:?} {:?}", t.0, t.1);
+    }
+
+    {
+        let mut u: Tpair = Tpair(S(0), 0);
+        drop(u);
+        u.0 = S(1);
+        //~^ ERROR assign to part of moved value
+        u.1 = 2;
+        println!("{:?} {:?}", u.0, u.1);
+    }
+
+    {
+        let mut v: Spair = Spair { x: S(0), y: 0 };
+        drop(v);
+        v.x = S(1);
+        //~^ ERROR assign to part of moved value
+        v.y = 2;
+        println!("{:?} {:?}", v.x, v.y);
+    }
+}