From 12d18e403139eeeeb339e8611b2bed4910864edb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Esteban=20K=C3=BCber?= <esteban@kuber.com.ar>
Date: Tue, 17 Jan 2023 17:02:09 +0000
Subject: [PATCH] Ensure macros are not affected

---
 tests/ui/parser/fake-anon-enums-in-macros.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/ui/parser/fake-anon-enums-in-macros.rs

diff --git a/tests/ui/parser/fake-anon-enums-in-macros.rs b/tests/ui/parser/fake-anon-enums-in-macros.rs
new file mode 100644
index 00000000000..38fe8dee238
--- /dev/null
+++ b/tests/ui/parser/fake-anon-enums-in-macros.rs
@@ -0,0 +1,20 @@
+// build-pass
+macro_rules! check_ty {
+    ($Z:ty) => { compile_error!("triggered"); };
+    ($X:ty | $Y:ty) => { $X };
+}
+
+macro_rules! check {
+    ($Z:ty) => { compile_error!("triggered"); };
+    ($X:ty | $Y:ty) => { };
+}
+
+check! { i32 | u8 }
+
+fn foo(x: check_ty! { i32 | u8 }) -> check_ty! { i32 | u8 } {
+    x
+}
+fn main() {
+    let x: check_ty! { i32 | u8 } = 42;
+    let _: check_ty! { i32 | u8 } = foo(x);
+}