2 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/meta-delim.rs b/src/test/ui/proc-macro/auxiliary/meta-delim.rs
new file mode 100644
index 00000000000..54e3d785726
--- /dev/null
+++ b/src/test/ui/proc-macro/auxiliary/meta-delim.rs
@@ -0,0 +1,12 @@
+macro_rules! produce_it {
+    ($dollar_one:tt $foo:ident $my_name:ident) => {
+        #[macro_export]
+        macro_rules! meta_delim {
+            ($dollar_one ($dollar_one $my_name:ident)*) => {
+                stringify!($dollar_one ($dollar_one $my_name)*)
+            }
+        }
+    }
+}
+
+produce_it!($my_name name);
diff --git a/src/test/ui/proc-macro/meta-delim.rs b/src/test/ui/proc-macro/meta-delim.rs
new file mode 100644
index 00000000000..964291bc678
--- /dev/null
+++ b/src/test/ui/proc-macro/meta-delim.rs
@@ -0,0 +1,12 @@
+// aux-build:meta-delim.rs
+// edition:2018
+// run-pass
+
+// Tests that we can properly deserialize a macro with strange delimiters
+// See https://github.com/rust-lang/rust/pull/73569#issuecomment-650860457
+
+extern crate meta_delim;
+
+fn main() {
+    assert_eq!("a bunch of idents", meta_delim::meta_delim!(a bunch of idents));
+}