1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs b/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs
new file mode 100644
index 00000000000..b4be03aaddd
--- /dev/null
+++ b/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs
@@ -0,0 +1,22 @@
+// edition:2021
+
+#![allow(unused_macros)]
+macro_rules! foo { ($x:pat | $y:pat) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
+macro_rules! baz { ($x:pat_param | $y:pat_param) => {} } // should be ok
+macro_rules! qux { ($x:pat_param | $y:pat) => {} } // should be ok
+macro_rules! ogg { ($x:pat | $y:pat_param) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
+macro_rules! match_any {
+    ( $expr:expr , $( $( $pat:pat)|+ => $expr_arm:pat),+ ) => { //~ ERROR  `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments
+        match $expr {
+            $(
+                $( $pat => $expr_arm, )+
+            )+
+        }
+    };
+}
+
+fn main() {
+    let result: Result<i64, i32> = Err(42);
+    let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());
+    assert_eq!(int, 42);
+}