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Switch attrs to diagnostic::on_unimplemented #139776

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Merged
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Apr 14, 2025
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Switch attrs to diagnostic::on_unimplemented #139776

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4 changes: 2 additions & 2 deletions compiler/rustc_data_structures/src/marker.rs
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
use std::alloc::Allocator;

#[rustc_on_unimplemented(message = "`{Self}` doesn't implement `DynSend`. \
#[diagnostic::on_unimplemented(message = "`{Self}` doesn't implement `DynSend`. \
Add it to `rustc_data_structures::marker` or use `IntoDynSyncSend` if it's already `Send`")]
// This is an auto trait for types which can be sent across threads if `sync::is_dyn_thread_safe()`
// is true. These types can be wrapped in a `FromDyn` to get a `Send` type. Wrapping a
// `Send` type in `IntoDynSyncSend` will create a `DynSend` type.
pub unsafe auto trait DynSend {}

#[rustc_on_unimplemented(message = "`{Self}` doesn't implement `DynSync`. \
#[diagnostic::on_unimplemented(message = "`{Self}` doesn't implement `DynSync`. \
Add it to `rustc_data_structures::marker` or use `IntoDynSyncSend` if it's already `Sync`")]
// This is an auto trait for types which can be shared across threads if `sync::is_dyn_thread_safe()`
// is true. These types can be wrapped in a `FromDyn` to get a `Sync` type. Wrapping a
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