1 files changed, 6 insertions, 0 deletions
diff --git a/tests/ui/attributes/crate-name-macro-call.rs b/tests/ui/attributes/crate-name-macro-call.rs
new file mode 100644
index 00000000000..1aae2e506e2
--- /dev/null
+++ b/tests/ui/attributes/crate-name-macro-call.rs
@@ -0,0 +1,6 @@
+// issue: rust-lang/rust#122001
+// Ensure we reject macro calls inside `#![crate_name]` as their result wouldn't get honored anyway.
+
+#![crate_name = concat!("my", "crate")] //~ ERROR malformed `crate_name` attribute input
+
+fn main() {}