[nll] libfmt_macros: enable feature(nll) for bootstrap

diff --git a/src/libfmt_macros/lib.rs b/src/libfmt_macros/lib.rs
index 373db1f1664cd87ce0ddbe81a0aa1b4e4529f1b7..d2209da0ca30c0084fac0d602e3e7be36dc9b1ba 100644 (file)
--- a/src/libfmt_macros/lib.rs
+++ b/src/libfmt_macros/lib.rs
@@ -20,6 +20,8 @@
        html_playground_url = "https://play.rust-lang.org/",
        test(attr(deny(warnings))))]
 
+#![cfg_attr(not(stage0), feature(nll))]
+
 pub use self::Piece::*;
 pub use self::Position::*;
 pub use self::Alignment::*;