1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/drop/tail-expr-drop-order-negative.rs b/tests/ui/drop/tail-expr-drop-order-negative.rs
new file mode 100644
index 00000000000..c570b3a1ee2
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+++ b/tests/ui/drop/tail-expr-drop-order-negative.rs
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+//@ revisions: edition2021 edition2024
+//@ [edition2024] compile-flags: -Zunstable-options
+//@ [edition2024] edition: 2024
+//@ [edition2021] check-pass
+
+#![feature(shorter_tail_lifetimes)]
+
+fn why_would_you_do_this() -> bool {
+    let mut x = None;
+    // Make a temporary `RefCell` and put a `Ref` that borrows it in `x`.
+    x.replace(std::cell::RefCell::new(123).borrow()).is_some()
+    //[edition2024]~^ ERROR: temporary value dropped while borrowed
+}
+
+fn main() {
+    why_would_you_do_this();
+}