1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/macros/issue-25274.rs b/tests/ui/macros/issue-25274.rs
new file mode 100644
index 000000000..65b29bba8
--- /dev/null
+++ b/tests/ui/macros/issue-25274.rs
@@ -0,0 +1,18 @@
+// run-pass
+
+macro_rules! test {
+    (
+        fn fun() -> Option<Box<$t:ty>>;
+    ) => {
+        fn fun(x: $t) -> Option<Box<$t>>
+        { Some(Box::new(x)) }
+    }
+}
+
+test! {
+    fn fun() -> Option<Box<i32>>;
+}
+
+fn main() {
+    println!("{}", fun(0).unwrap());
+}