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, 15 insertions, 0 deletions

diff --git a/src/test/ui/derives/auxiliary/derive-marker-tricky.rs b/src/test/ui/derives/auxiliary/derive-marker-tricky.rs
new file mode 100644
index 000000000..70345351b
--- /dev/null
+++ b/src/test/ui/derives/auxiliary/derive-marker-tricky.rs
@@ -0,0 +1,15 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::*;
+
+#[proc_macro_derive(NoMarker)]
+pub fn f(input: TokenStream) -> TokenStream {
+    if input.to_string().contains("rustc_copy_clone_marker") {
+        panic!("found `#[rustc_copy_clone_marker]`");
+    }
+    TokenStream::new()
+}