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-rw-r--r--src/libsyntax/syntax.rc4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libsyntax/syntax.rc b/src/libsyntax/syntax.rc
index 1b9b7b2c8c3..8ec281a6bc1 100644
--- a/src/libsyntax/syntax.rc
+++ b/src/libsyntax/syntax.rc
@@ -27,6 +27,10 @@
 #[no_std];
 
 extern mod core(name = "std");
+extern mod extra(name = "extra");
+
+// For deriving(Encodable) purposes...
+#[cfg(stage0)]
 extern mod std(name = "extra");
 
 use core::prelude::*;