Use hashbrown from crates.io

2 files changed, 5 insertions, 2 deletions

diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml
index df3bee6ee9c..fcaf2750507 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"
 
diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs
index 244997f5611..865424fd6bb 100644
--- a/compiler/rustc_data_structures/src/lib.rs
+++ b/compiler/rustc_data_structures/src/lib.rs
@@ -38,8 +38,6 @@
 #![feature(unwrap_infallible)]
 // tidy-alphabetical-end
 
-extern crate hashbrown;
-
 use std::fmt;
 
 pub use atomic_ref::AtomicRef;