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-rw-r--r--compiler/rustc_data_structures/Cargo.toml5
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml
index bdf5494f210..b9a5fc3a1fe 100644
--- a/compiler/rustc_data_structures/Cargo.toml
+++ b/compiler/rustc_data_structures/Cargo.toml
@@ -29,6 +29,11 @@ thin-vec = "0.2.12"
 tracing = "0.1"
 # tidy-alphabetical-end
 
+[dependencies.hashbrown]
+version = "0.15.2"
+default-features = false
+features = ["nightly"] # for may_dangle
+
 [dependencies.parking_lot]
 version = "0.12"