1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/compile-fail/trace_macros-gate2.rs b/src/test/compile-fail/trace_macros-gate2.rs
new file mode 100644
index 00000000000..71cc45e132d
--- /dev/null
+++ b/src/test/compile-fail/trace_macros-gate2.rs
@@ -0,0 +1,20 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Test that the trace_macros feature gate is on.
+
+fn main() {
+    // (Infrastructure does not attempt to detect uses in macro definitions.)
+    macro_rules! expando {
+        ($x: ident) => { trace_macros!($x) }
+    }
+
+    expando!(true); //~ ERROR `trace_macros` is not stable
+}