From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/auxiliary/hello_macro.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/test/ui/auxiliary/hello_macro.rs

(limited to 'src/test/ui/auxiliary/hello_macro.rs')

diff --git a/src/test/ui/auxiliary/hello_macro.rs b/src/test/ui/auxiliary/hello_macro.rs
new file mode 100644
index 000000000..a05b8d54d
--- /dev/null
+++ b/src/test/ui/auxiliary/hello_macro.rs
@@ -0,0 +1,21 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+#![feature(proc_macro_quote)]
+
+extern crate proc_macro;
+
+use proc_macro::{TokenStream, quote};
+
+// This macro is not very interesting, but it does contain delimited tokens with
+// no content - `()` and `{}` - which has caused problems in the past.
+// Also, it tests that we can escape `$` via `$$`.
+#[proc_macro]
+pub fn hello(_: TokenStream) -> TokenStream {
+    quote!({
+        fn hello() {}
+        macro_rules! m { ($$($$t:tt)*) => { $$($$t)* } }
+        m!(hello());
+    })
+}
-- 
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