1 files changed, 7 insertions, 0 deletions
diff --git a/tests/ui/test-attrs/test-warns-dead-code.rs b/tests/ui/test-attrs/test-warns-dead-code.rs
new file mode 100644
index 000000000..4190885b6
--- /dev/null
+++ b/tests/ui/test-attrs/test-warns-dead-code.rs
@@ -0,0 +1,7 @@
+// compile-flags: --test
+
+#![deny(dead_code)]
+
+fn dead() {} //~ error: function `dead` is never used
+
+fn main() {}