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-rw-r--r--src/librustc_trans_utils/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc_trans_utils/lib.rs b/src/librustc_trans_utils/lib.rs
index e8651d373df..77afc2899c3 100644
--- a/src/librustc_trans_utils/lib.rs
+++ b/src/librustc_trans_utils/lib.rs
@@ -37,6 +37,7 @@ extern crate rustc;
 extern crate rustc_back;
 extern crate syntax;
 extern crate syntax_pos;
+extern crate rustc_data_structures;
 
 use rustc::ty::{TyCtxt, Instance};
 use rustc::hir;