1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/suggestions/suggest-ref-macro.rs b/src/test/ui/suggestions/suggest-ref-macro.rs
new file mode 100644
index 000000000..6f780f32a
--- /dev/null
+++ b/src/test/ui/suggestions/suggest-ref-macro.rs
@@ -0,0 +1,29 @@
+// run-check
+// aux-build:proc-macro-type-error.rs
+
+extern crate proc_macro_type_error;
+
+use proc_macro_type_error::hello;
+
+#[hello] //~ERROR mismatched types
+fn abc() {}
+
+fn x(_: &mut i32) {}
+
+macro_rules! bla {
+    () => {
+        x(123);
+        //~^ ERROR mismatched types
+        //~| SUGGESTION &mut 123
+    };
+    ($v:expr) => {
+        x($v)
+    }
+}
+
+fn main() {
+    bla!();
+    bla!(456);
+    //~^ ERROR mismatched types
+    //~| SUGGESTION &mut 456
+}