1 files changed, 9 insertions, 0 deletions
diff --git a/third_party/rust/quote/tests/ui/does-not-have-iter-interpolated-dup.rs b/third_party/rust/quote/tests/ui/does-not-have-iter-interpolated-dup.rs
new file mode 100644
index 0000000000..0a39f41507
--- /dev/null
+++ b/third_party/rust/quote/tests/ui/does-not-have-iter-interpolated-dup.rs
@@ -0,0 +1,9 @@
+use quote::quote;
+
+fn main() {
+    let nonrep = "";
+
+    // Without some protection against repetitions with no iterator somewhere
+    // inside, this would loop infinitely.
+    quote!(#(#nonrep #nonrep)*);
+}