From cde9808eaa07f2cd16b0c8fb0a1ab59bc62d3c6e Mon Sep 17 00:00:00 2001
From: Nadrieril <nadrieril+git@gmail.com>
Date: Tue, 12 Nov 2019 13:24:04 +0000
Subject: [PATCH] Add regression test

---
 .../ui/pattern/usefulness/exhaustive_integer_patterns.rs    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs
index 2dcf4dcaeb83..d379dc44bf10 100644
--- a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs
+++ b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs
@@ -163,4 +163,10 @@ fn main() {
         BAR => {} // Not detected as unreachable because `try_eval_bits` fails on `BAR`.
         _ => {}
     }
+
+    // Regression test, see https://github.com/rust-lang/rust/pull/66326#issuecomment-552889933
+    match &0 {
+        BAR => {} // ok
+        _ => {}
+    }
 }