Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / test / ui / borrowck / issue-81365-5.rs

diff --git a/src/test/ui/borrowck/issue-81365-5.rs b/src/test/ui/borrowck/issue-81365-5.rs
new file mode 100644 (file)
index 0000000..d36b796
--- /dev/null
+++ b/src/test/ui/borrowck/issue-81365-5.rs
@@ -0,0 +1,33 @@
+use std::ops::Deref;
+
+struct DerefTarget {
+    target_field: bool,
+}
+
+impl DerefTarget {
+    fn get(&self) -> &bool {
+        &self.target_field
+    }
+}
+
+struct Container {
+    target: DerefTarget,
+    container_field: bool,
+}
+
+impl Deref for Container {
+    type Target = DerefTarget;
+    fn deref(&self) -> &Self::Target {
+        &self.target
+    }
+}
+
+impl Container {
+    fn bad_borrow(&mut self) {
+        let first = self.get();
+        self.container_field = true; //~ ERROR E0506
+        first;
+    }
+}
+
+fn main() {}