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[do not merge] Use Arc instead of Rc #59641

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[do not merge] Use Arc instead of Rc #59641

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5 changes: 3 additions & 2 deletions src/librustc_data_structures/sync.rs
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Expand Up @@ -177,8 +177,9 @@ cfg_if! {

pub type MetadataRef = OwningRef<Box<dyn Erased>, [u8]>;

pub use std::rc::Rc as Lrc;
pub use std::rc::Weak as Weak;
pub use std::sync::Arc as Lrc;
pub use std::sync::Weak as Weak;

pub use std::cell::Ref as ReadGuard;
pub use std::cell::Ref as MappedReadGuard;
pub use std::cell::RefMut as WriteGuard;
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