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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 a7c5ed158e0..ee7fb97ffd7 100644
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -162,6 +162,7 @@ pub mod visit;
 pub mod print {
     pub mod pp;
     pub mod pprust;
+    mod helpers;
 }
 
 pub mod ext {