mbe: Add a test checking for infinite recursion in macro attributes

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/macros/macro-rules-attr-infinite-recursion.rs b/tests/ui/macros/macro-rules-attr-infinite-recursion.rs
new file mode 100644
index 00000000000..dc54c32cad3
--- /dev/null
+++ b/tests/ui/macros/macro-rules-attr-infinite-recursion.rs
@@ -0,0 +1,12 @@
+#![crate_type = "lib"]
+#![feature(macro_attr)]
+
+macro_rules! attr {
+    attr() { $($body:tt)* } => {
+        #[attr] $($body)*
+    };
+    //~^^ ERROR: recursion limit reached
+}
+
+#[attr]
+struct S;