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-rw-r--r--src/librustc_trans_utils/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_trans_utils/lib.rs b/src/librustc_trans_utils/lib.rs
index bfecb201983..e87ab3abdf8 100644
--- a/src/librustc_trans_utils/lib.rs
+++ b/src/librustc_trans_utils/lib.rs
@@ -40,7 +40,7 @@ extern crate rustc_incremental;
 #[macro_use]
 extern crate syntax;
 extern crate syntax_pos;
-extern crate rustc_data_structures;
+#[macro_use] extern crate rustc_data_structures;
 
 pub extern crate rustc as __rustc;