1 files changed, 7 insertions, 0 deletions
diff --git a/src/test/ui/macros/concat-bytes.rs b/src/test/ui/macros/concat-bytes.rs
new file mode 100644
index 00000000000..5415cf3fe22
--- /dev/null
+++ b/src/test/ui/macros/concat-bytes.rs
@@ -0,0 +1,7 @@
+// run-pass
+#![feature(concat_bytes)]
+
+fn main() {
+    assert_eq!(concat_bytes!(), &[]);
+    assert_eq!(concat_bytes!(b'A', b"BC", [68, b'E', 70]), b"ABCDEF");
+}