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-rw-r--r--src/librustc_mir/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc_mir/lib.rs b/src/librustc_mir/lib.rs
index 72a13c791ce..afd33a51a6a 100644
--- a/src/librustc_mir/lib.rs
+++ b/src/librustc_mir/lib.rs
@@ -4,6 +4,7 @@ Rust MIR: a lowered representation of Rust. Also: an experiment!
 
 */
 
+#![feature(nll)]
 #![feature(in_band_lifetimes)]
 #![feature(slice_patterns)]
 #![feature(slice_sort_by_cached_key)]