1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-borrowed-uniq-rvalue.rs b/tests/ui/borrowck/borrowck-borrowed-uniq-rvalue.rs
new file mode 100644
index 000000000..85481336a
--- /dev/null
+++ b/tests/ui/borrowck/borrowck-borrowed-uniq-rvalue.rs
@@ -0,0 +1,13 @@
+// run-rustfix
+
+use std::collections::HashMap;
+
+fn main() {
+    let tmp: Box<_>;
+    let mut buggy_map: HashMap<usize, &usize> = HashMap::new();
+    buggy_map.insert(42, &*Box::new(1)); //~ ERROR temporary value dropped while borrowed
+
+    // but it is ok if we use a temporary
+    tmp = Box::new(2);
+    buggy_map.insert(43, &*tmp);
+}