From 7dfb9eda25d1973fd8b70f95174e31c1443dde6a Mon Sep 17 00:00:00 2001
From: Eric Mark Martin <ericmarkmartin@gmail.com>
Date: Sat, 1 Jul 2023 02:28:15 -0400
Subject: [PATCH] add regression test

---
 tests/ui/pattern/issue-110508.rs | 38 ++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 tests/ui/pattern/issue-110508.rs

diff --git a/tests/ui/pattern/issue-110508.rs b/tests/ui/pattern/issue-110508.rs
new file mode 100644
index 00000000000..1024ff05578
--- /dev/null
+++ b/tests/ui/pattern/issue-110508.rs
@@ -0,0 +1,38 @@
+// run-pass
+
+#[derive(PartialEq, Eq)]
+pub enum Foo {
+    FooA(()),
+    FooB(Vec<()>),
+}
+
+impl Foo {
+    const A1: Foo = Foo::FooA(());
+    const A2: Foo = Self::FooA(());
+    const A3: Self = Foo::FooA(());
+    const A4: Self = Self::FooA(());
+}
+
+fn main() {
+    let foo = Foo::FooA(());
+
+    match foo {
+        Foo::A1 => {},
+        _ => {},
+    }
+
+    match foo {
+        Foo::A2 => {},
+        _ => {},
+    }
+
+    match foo {
+        Foo::A3 => {},
+        _ => {},
+    }
+
+    match foo {
+        Foo::A4 => {},
+        _ => {},
+    }
+}