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-rw-r--r--src/test/ui/issues/issue-44405.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-44405.rs b/src/test/ui/issues/issue-44405.rs
new file mode 100644
index 000000000..d404b9044
--- /dev/null
+++ b/src/test/ui/issues/issue-44405.rs
@@ -0,0 +1,22 @@
+use std::ops::Index;
+
+struct Test;
+struct Container(Test);
+
+impl Test {
+ fn test(&mut self) {}
+}
+
+impl<'a> Index<&'a bool> for Container {
+ type Output = Test;
+
+ fn index(&self, _index: &'a bool) -> &Test {
+ &self.0
+ }
+}
+
+fn main() {
+ let container = Container(Test);
+ let mut val = true;
+ container[&mut val].test(); //~ ERROR: cannot borrow data
+}