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Diffstat (limited to 'crates/hir-ty/src/lib.rs')
-rw-r--r--crates/hir-ty/src/lib.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/crates/hir-ty/src/lib.rs b/crates/hir-ty/src/lib.rs
index 02fdbf0ebf..37d5347fe7 100644
--- a/crates/hir-ty/src/lib.rs
+++ b/crates/hir-ty/src/lib.rs
@@ -39,6 +39,9 @@ extern crate rustc_next_trait_solver;
#[cfg(not(feature = "in-rust-tree"))]
extern crate ra_ap_rustc_next_trait_solver as rustc_next_trait_solver;
+#[cfg(feature = "in-rust-tree")]
+extern crate rustc_data_structures as ena;
+
mod builder;
mod chalk_db;
mod chalk_ext;