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-rw-r--r--src/libstd/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 92197e8014a..4883c607ad1 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -276,6 +276,7 @@
 #![feature(maybe_uninit)]
 #![feature(needs_panic_runtime)]
 #![feature(never_type)]
+#![feature(nll)]
 #![feature(non_exhaustive)]
 #![feature(on_unimplemented)]
 #![feature(optin_builtin_traits)]