1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/parser/macro/macro-expand-to-match-arm.rs b/tests/ui/parser/macro/macro-expand-to-match-arm.rs
new file mode 100644
index 000000000..39d1d065e
--- /dev/null
+++ b/tests/ui/parser/macro/macro-expand-to-match-arm.rs
@@ -0,0 +1,18 @@
+macro_rules! arm {
+    ($pattern:pat => $block:block) => {
+        $pattern => $block
+    };
+}
+
+fn main() {
+    let x = Some(1);
+    match x {
+        Some(1) => {},
+        arm!(None => {}),
+        //~^ NOTE macros cannot expand to match arms
+        //~| ERROR unexpected `,` in pattern
+        // doesn't recover
+        Some(2) => {},
+        _ => {},
+    };
+}