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Revert "Make rustc_on_unimplemented std-agnostic for alloc::rc"

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This reverts commit 6ec570aca5.
This commit is contained in:
David Tolnay 2023-08-28 03:16:42 -07:00
parent 7e02fd8251
commit 4120936f6d
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1 changed files with 0 additions and 2 deletions
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library/core/src/marker.rs
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@ -77,7 +77,6 @@ macro marker_impls {
#[cfg_attr(not(test), rustc_diagnostic_item = "Send")]
#[rustc_on_unimplemented(
on(_Self = "std::rc::Rc<T, A>", note = "use `std::sync::Arc` instead of `std::rc::Rc`"),
on(_Self = "alloc::rc::Rc<T, A>", note = "use `alloc::sync::Arc` instead of `alloc::rc::Rc`"),
message = "`{Self}` cannot be sent between threads safely",
label = "`{Self}` cannot be sent between threads safely",
note = "consider using `std::sync::Arc<{Self}>`; for more information visit \
@ -633,7 +632,6 @@ impl<T: ?Sized> Copy for &T {}
note = "if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead",
),
on(_Self = "std::rc::Rc<T, A>", note = "use `std::sync::Arc` instead of `std::rc::Rc`"),
on(_Self = "alloc::rc::Rc<T, A>", note = "use `alloc::sync::Arc` instead of `alloc::rc::Rc`"),
message = "`{Self}` cannot be shared between threads safely",
label = "`{Self}` cannot be shared between threads safely",
note = "consider using `std::sync::Arc<{Self}>`; for more information visit \