1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/macros/bad-concat.rs b/tests/ui/macros/bad-concat.rs
new file mode 100644
index 00000000000..263cd074d5a
--- /dev/null
+++ b/tests/ui/macros/bad-concat.rs
@@ -0,0 +1,8 @@
+fn main() {
+    let x: u32 = 42;
+    let y: f64 = 3.14;
+    let z = "foo";
+    let _ = concat!(x, y, z, "bar");
+    //~^ ERROR expected a literal
+    //~| NOTE only literals
+}