Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/test/ui/async-await/issue-93648.rs b/src/test/ui/async-await/issue-93648.rs
new file mode 100644
index 000000000..4ce3ac1e8
--- /dev/null
+++ b/src/test/ui/async-await/issue-93648.rs
@@ -0,0 +1,12 @@
+// edition:2021
+// build-pass
+// compile-flags: -Zdrop-tracking
+
+fn main() {
+    let _ = async {
+        let mut s = (String::new(),);
+        s.0.push_str("abc");
+        std::mem::drop(s);
+        async {}.await;
+    };
+}