From 3e57a0afb57decd347fe9133dd3d37dd0fb5dbec Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Sun, 9 Feb 2020 19:52:42 +0100
Subject: [PATCH] Update for #68718

---
 src/librustc_span/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustc_span/lib.rs b/src/librustc_span/lib.rs
index ac9c3360b86..2e149c96b91 100644
--- a/src/librustc_span/lib.rs
+++ b/src/librustc_span/lib.rs
@@ -8,6 +8,7 @@
 #![feature(crate_visibility_modifier)]
 #![feature(nll)]
 #![feature(optin_builtin_traits)]
+#![feature(specialization)]
 
 use rustc_data_structures::AtomicRef;
 use rustc_macros::HashStable_Generic;