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-rw-r--r--src/libsyntax/lib.rs5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs
index 13d2a632f36..291c876082f 100644
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -24,9 +24,12 @@
        html_root_url = "http://doc.rust-lang.org/master/")]
 
 #![feature(macro_rules, globs, managed_boxes, default_type_params, phase)]
-#![feature(quote, struct_variant, unsafe_destructor)]
+#![feature(quote, struct_variant, unsafe_destructor, import_shadowing)]
 #![allow(deprecated)]
 
+// NOTE(stage0, pcwalton): Remove after snapshot.
+#![allow(unknown_features)]
+
 extern crate fmt_macros;
 extern crate debug;
 #[phase(plugin, link)] extern crate log;