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-rw-r--r--src/libsyntax/codemap.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/codemap.rs b/src/libsyntax/codemap.rs
index 2e235982a0f..5f701c4be8b 100644
--- a/src/libsyntax/codemap.rs
+++ b/src/libsyntax/codemap.rs
@@ -21,6 +21,8 @@ source code snippets, etc.
 
 */
 
+use core::prelude::*;
+
 use core::to_bytes;
 use std::serialize::{Encodable, Decodable, Encoder, Decoder};