From c548eda362fdc4939f4039f8765c1e3c6395dd7e Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <japaricious@gmail.com>
Date: Tue, 22 Mar 2016 21:59:17 -0500
Subject: [PATCH] enable question_mark feature in rustc_borrowck

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

diff --git a/src/librustc_borrowck/lib.rs b/src/librustc_borrowck/lib.rs
index 65e9b792241..1aa27f8b32b 100644
--- a/src/librustc_borrowck/lib.rs
+++ b/src/librustc_borrowck/lib.rs
@@ -25,6 +25,7 @@
 #![feature(staged_api)]
 #![feature(associated_consts)]
 #![feature(nonzero)]
+#![feature(question_mark)]
 #[macro_use] extern crate log;
 #[macro_use] extern crate syntax;