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-rw-r--r--src/libsyntax/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs
index eb6a2a43d43..9c947f422e9 100644
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -27,6 +27,7 @@
 #![feature(slicing_syntax)]
 #![feature(box_syntax)]
 #![feature(quote, unsafe_destructor)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate arena;
 extern crate fmt_macros;