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-rw-r--r--src/libsyntax/ast.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index a8ff8dab54c..f82d8d3798a 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -10,6 +10,8 @@
 
 // The Rust abstract syntax tree.
 
+use core::prelude::*;
+
 use codemap::{span, spanned};
 use abi::AbiSet;
 use opt_vec::OptVec;