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, 18 insertions, 0 deletions

diff --git a/src/test/ui/no_send-enum.rs b/src/test/ui/no_send-enum.rs
new file mode 100644
index 000000000..bd560649b
--- /dev/null
+++ b/src/test/ui/no_send-enum.rs
@@ -0,0 +1,18 @@
+#![feature(negative_impls)]
+
+use std::marker::Send;
+
+struct NoSend;
+impl !Send for NoSend {}
+
+enum Foo {
+    A(NoSend)
+}
+
+fn bar<T: Send>(_: T) {}
+
+fn main() {
+    let x = Foo::A(NoSend);
+    bar(x);
+    //~^ ERROR `NoSend` cannot be sent between threads safely
+}