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, 21 insertions, 0 deletions

diff --git a/src/test/ui/hygiene/auxiliary/opaque-hygiene.rs b/src/test/ui/hygiene/auxiliary/opaque-hygiene.rs
new file mode 100644
index 000000000..7730f91bd
--- /dev/null
+++ b/src/test/ui/hygiene/auxiliary/opaque-hygiene.rs
@@ -0,0 +1,21 @@
+// force-host
+// no-prefer-dynamic
+
+#![feature(proc_macro_quote)]
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::{TokenStream, quote};
+
+#[proc_macro]
+pub fn make_it(input: TokenStream) -> TokenStream {
+    // `quote!` applies def-site hygiene
+    quote! {
+        trait Foo {
+            fn my_fn(&self) {}
+        }
+
+        impl<T> Foo for T {}
+        "a".my_fn();
+    }
+}