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-rw-r--r--src/libfmt_macros/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libfmt_macros/lib.rs b/src/libfmt_macros/lib.rs
index ea67c01dfc9..aacd6cec565 100644
--- a/src/libfmt_macros/lib.rs
+++ b/src/libfmt_macros/lib.rs
@@ -10,6 +10,7 @@
 
 #![deny(rust_2018_idioms)]
 
+#![feature(nll)]
 #![feature(rustc_private)]
 
 pub use Piece::*;