1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-23338-params-outlive-temps-of-body.rs b/src/test/ui/issues/issue-23338-params-outlive-temps-of-body.rs
new file mode 100644
index 000000000..d45aaa843
--- /dev/null
+++ b/src/test/ui/issues/issue-23338-params-outlive-temps-of-body.rs
@@ -0,0 +1,30 @@
+// run-pass
+// This is largely checking that we now accept code where temp values
+// are borrowing from the input parameters (the `foo` case below).
+//
+// Compare to run-pass/issue-23338-params-outlive-temps-of-body.rs
+//
+// (The `foo2` case is just for parity with the above test, which
+//  shows what happens when you move the `y`-binding to the inside of
+//  the inner block.)
+
+use std::cell::RefCell;
+
+fn foo(x: RefCell<String>) -> String {
+    x.borrow().clone()
+}
+
+fn foo2(x: RefCell<String>) -> String {
+    let y = x;
+    let ret = {
+        y.borrow().clone()
+    };
+    ret
+}
+
+pub fn main() {
+    let r = RefCell::new(format!("data"));
+    assert_eq!(foo(r), "data");
+    let r = RefCell::new(format!("data"));
+    assert_eq!(foo2(r), "data");
+}