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, 16 insertions, 0 deletions

diff --git a/src/test/ui/async-await/issue-61793.rs b/src/test/ui/async-await/issue-61793.rs
new file mode 100644
index 000000000..9180e1d81
--- /dev/null
+++ b/src/test/ui/async-await/issue-61793.rs
@@ -0,0 +1,16 @@
+// This testcase used to ICE in codegen due to inconsistent field reordering
+// in the generator state, claiming a ZST field was after a non-ZST field,
+// while those two fields were at the same offset (which is impossible).
+// That is, memory ordering of `(X, ())`, but offsets of `((), X)`.
+
+// build-pass
+// edition:2018
+
+async fn foo<F>(_: &(), _: F) {}
+
+fn main() {
+    foo(&(), || {});
+    async {
+        foo(&(), || {}).await;
+    };
+}