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-rw-r--r--src/liballoc/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 79bfd57a00f..2ec777ac85c 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -89,6 +89,7 @@
 #![feature(const_in_array_repeat_expressions)]
 #![cfg_attr(bootstrap, feature(const_if_match))]
 #![feature(cow_is_borrowed)]
+#![feature(deque_range)]
 #![feature(dispatch_from_dyn)]
 #![feature(core_intrinsics)]
 #![feature(container_error_extra)]