1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/lint/issue-81218.rs b/src/test/ui/lint/issue-81218.rs
new file mode 100644
index 000000000..f02aa9040
--- /dev/null
+++ b/src/test/ui/lint/issue-81218.rs
@@ -0,0 +1,14 @@
+// Regression test for #81218
+//
+// check-pass
+
+#![forbid(warnings)]
+
+#[allow(unused_variables)]
+fn main() {
+    // We want to ensure that you don't get an error
+    // here. The idea is that a derive might generate
+    // code that would otherwise trigger the "unused variables"
+    // lint, but it is meant to be suppressed.
+    let x: ();
+}