From db133901042f7ccc8194b240c8381281bc4be575 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sun, 11 Nov 2018 10:54:13 +0100
Subject: [PATCH] do not skip return code check in release builds

---
 src/libstd/sys/unix/rwlock.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libstd/sys/unix/rwlock.rs b/src/libstd/sys/unix/rwlock.rs
index 8c385ae7760a..fcd6f7a27b6e 100644
--- a/src/libstd/sys/unix/rwlock.rs
+++ b/src/libstd/sys/unix/rwlock.rs
@@ -58,7 +58,7 @@ impl RWLock {
             }
             panic!("rwlock read lock would result in deadlock");
         } else {
-            debug_assert_eq!(r, 0);
+            assert_eq!(r, 0);
             self.num_readers.fetch_add(1, Ordering::Relaxed);
         }
     }