From 715aa4b21758991e195c19ab485d5c5f6a500b44 Mon Sep 17 00:00:00 2001
From: whitequark <pz@m-labs.hk>
Date: Tue, 21 Nov 2017 12:02:25 +0000
Subject: [PATCH] Add a missing feature check.

---
 src/iface/neighbor.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/iface/neighbor.rs b/src/iface/neighbor.rs
index 871c923..acebba6 100644
--- a/src/iface/neighbor.rs
+++ b/src/iface/neighbor.rs
@@ -103,6 +103,7 @@ impl<'a> Cache<'a> {
                             .0
                     }
                     // Owned maps can extend themselves.
+                    #[cfg(any(feature = "std", feature = "alloc"))]
                     ManagedMap::Owned(_) => unreachable!()
                 };