From bd04c30df78a6ffc8d6b17204cf2f1e7a2a739ea Mon Sep 17 00:00:00 2001
From: Djzin <djzin@users.noreply.github.com>
Date: Sat, 14 Jan 2017 17:40:52 +0000
Subject: [PATCH] add required imports & feature

---
 src/librustc_data_structures/array_vec.rs | 1 +
 src/librustc_data_structures/lib.rs       | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/librustc_data_structures/array_vec.rs b/src/librustc_data_structures/array_vec.rs
index 9baaa44a370..c0b5b7f5173 100644
--- a/src/librustc_data_structures/array_vec.rs
+++ b/src/librustc_data_structures/array_vec.rs
@@ -19,6 +19,7 @@
 use std::fmt;
 use std::mem;
 use std::collections::range::RangeArgument;
+use std::collections::Bound::{Excluded, Included, Unbounded};
 
 pub unsafe trait Array {
     type Element;
diff --git a/src/librustc_data_structures/lib.rs b/src/librustc_data_structures/lib.rs
index 4623e52ffc2..b003cba292c 100644
--- a/src/librustc_data_structures/lib.rs
+++ b/src/librustc_data_structures/lib.rs
@@ -27,6 +27,7 @@
 
 #![feature(shared)]
 #![feature(collections_range)]
+#![feature(collections_bound)]
 #![feature(nonzero)]
 #![feature(rustc_private)]
 #![feature(staged_api)]