From c1e17f56ea1d3cc64cd7d1be6fc2557d0fd65f06 Mon Sep 17 00:00:00 2001
From: Yuki Okushi <huyuumi.dev@gmail.com>
Date: Thu, 1 Oct 2020 14:09:57 +0900
Subject: [PATCH] Add a regression test for issue-66501

---
 src/test/ui/pattern/issue-66501.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/test/ui/pattern/issue-66501.rs

diff --git a/src/test/ui/pattern/issue-66501.rs b/src/test/ui/pattern/issue-66501.rs
new file mode 100644
index 00000000000..ffcfd4ad83e
--- /dev/null
+++ b/src/test/ui/pattern/issue-66501.rs
@@ -0,0 +1,12 @@
+// check-pass
+
+#![allow(unreachable_patterns)]
+
+fn main() {
+    const CONST: &[Option<()>; 1] = &[Some(())];
+    match &[Some(())] {
+        &[None] => {}
+        CONST => {}
+        &[Some(())] => {}
+    }
+}