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-rw-r--r--src/libsyntax/ast_map.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/ast_map.rs b/src/libsyntax/ast_map.rs
index 5b08f59b35c..e3ef56541b8 100644
--- a/src/libsyntax/ast_map.rs
+++ b/src/libsyntax/ast_map.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use core::prelude::*;
+
 use abi::AbiSet;
 use ast::*;
 use ast;