From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/nll/drop-no-may-dangle.rs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 src/test/ui/nll/drop-no-may-dangle.rs

(limited to 'src/test/ui/nll/drop-no-may-dangle.rs')

diff --git a/src/test/ui/nll/drop-no-may-dangle.rs b/src/test/ui/nll/drop-no-may-dangle.rs
new file mode 100644
index 000000000..a0ff0c398
--- /dev/null
+++ b/src/test/ui/nll/drop-no-may-dangle.rs
@@ -0,0 +1,30 @@
+// Basic test for liveness constraints: the region (`R1`) that appears
+// in the type of `p` must include everything until `p` is dropped
+// because of destructor. (Note that the stderr also identifies this
+// destructor in the error message.)
+
+#![allow(warnings)]
+#![feature(dropck_eyepatch)]
+
+fn use_x(_: usize) -> bool { true }
+
+fn main() {
+    let mut v = [1, 2, 3];
+    let p: WrapMayNotDangle<&usize> = WrapMayNotDangle { value: &v[0] };
+    if true {
+        use_x(*p.value);
+    } else {
+        use_x(22);
+        v[0] += 1; //~ ERROR cannot assign to `v[_]` because it is borrowed
+    }
+
+    v[0] += 1; //~ ERROR cannot assign to `v[_]` because it is borrowed
+}
+
+struct WrapMayNotDangle<T> {
+    value: T
+}
+
+impl<T> Drop for WrapMayNotDangle<T> {
+    fn drop(&mut self) { }
+}
-- 
cgit v1.2.3