1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/attr-invalid-exprs.rs b/tests/ui/proc-macro/attr-invalid-exprs.rs
new file mode 100644
index 00000000000..9dcffc3405e
--- /dev/null
+++ b/tests/ui/proc-macro/attr-invalid-exprs.rs
@@ -0,0 +1,28 @@
+//! Attributes producing expressions in invalid locations
+
+// aux-build:attr-stmt-expr.rs
+
+#![feature(proc_macro_hygiene)]
+#![feature(stmt_expr_attributes)]
+
+extern crate attr_stmt_expr;
+use attr_stmt_expr::{duplicate, no_output};
+
+fn main() {
+    let _ = #[no_output] "Hello, world!";
+    //~^ ERROR expected expression, found end of macro arguments
+
+    let _ = #[duplicate] "Hello, world!";
+    //~^ ERROR macro expansion ignores token `,` and any following
+
+    let _ = {
+        #[no_output]
+        "Hello, world!"
+    };
+
+    let _ = {
+        #[duplicate]
+        //~^ ERROR macro expansion ignores token `,` and any following
+        "Hello, world!"
+    };
+}