1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/no-macro-use-attr.rs b/tests/ui/proc-macro/no-macro-use-attr.rs
new file mode 100644
index 000000000..a8a8fa4e1
--- /dev/null
+++ b/tests/ui/proc-macro/no-macro-use-attr.rs
@@ -0,0 +1,10 @@
+// aux-build:test-macros.rs
+
+#![feature(rustc_attrs)]
+#![warn(unused_extern_crates)]
+
+extern crate test_macros;
+//~^ WARN unused extern crate
+
+#[rustc_error]
+fn main() {} //~ ERROR fatal error triggered by #[rustc_error]