1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/derive-b.rs b/src/test/ui/proc-macro/derive-b.rs
new file mode 100644
index 000000000..a026c2bd7
--- /dev/null
+++ b/src/test/ui/proc-macro/derive-b.rs
@@ -0,0 +1,19 @@
+// run-pass
+// aux-build:derive-b-rpass.rs
+
+extern crate derive_b_rpass as derive_b;
+
+#[derive(Debug, PartialEq, derive_b::B, Eq, Copy, Clone)]
+#[cfg_attr(all(), B[arbitrary tokens])]
+struct B {
+    #[C]
+    a: u64
+}
+
+fn main() {
+    B { a: 3 };
+    assert_eq!(B { a: 3 }, B { a: 3 });
+    let b = B { a: 3 };
+    let _d = b;
+    let _e = b;
+}