1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/macros/macro-interpolation.rs b/src/test/ui/macros/macro-interpolation.rs
new file mode 100644
index 00000000000..abe1f2aaf15
--- /dev/null
+++ b/src/test/ui/macros/macro-interpolation.rs
@@ -0,0 +1,21 @@
+// run-pass
+
+macro_rules! overly_complicated {
+    ($fnname:ident, $arg:ident, $ty:ty, $body:block, $val:expr, $pat:pat, $res:path) =>
+    ({
+        fn $fnname($arg: $ty) -> Option<$ty> $body
+        match $fnname($val) {
+          Some($pat) => {
+            $res
+          }
+          _ => { panic!(); }
+        }
+    })
+
+}
+
+pub fn main() {
+    assert!(overly_complicated!(f, x, Option<usize>, { return Some(x); },
+                               Some(8), Some(y), y) == 8)
+
+}