From 97b24f3236a59c920b8978604739fcd274c678de Mon Sep 17 00:00:00 2001
From: Eric Holk <ericholk@microsoft.com>
Date: Mon, 7 Feb 2022 16:01:27 -0800
Subject: Drop tracking: track borrows of projections

Previous efforts to ignore partially consumed values meant we were also
not considering borrows of a projection. This led to cases where we'd
miss borrowed types which MIR expected to be there, leading to ICEs.
---
 src/test/ui/async-await/issue-93648.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/test/ui/async-await/issue-93648.rs

(limited to 'src/test')

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 00000000000..4ce3ac1e874
--- /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;
+    };
+}
-- 
cgit 1.4.1-3-g733a5