Auto merge of #136764 - traviscross:TC/make-ptr_cast_add_auto_to_obje… · rust-lang/rust@8cf44c8 (original) (raw)
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warning: adding an auto trait Send to a trait object in a pointer cast may cause UB later on
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--> $DIR/ptr-to-trait-obj-add-auto.rs:6:5
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error[E0802]: cannot add auto trait Send to dyn bound via pointer cast
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--> $DIR/ptr-to-trait-obj-add-auto.rs:4:5
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`LL | x as _
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| ^^^^^^
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| ^^^^^^ unsupported cast
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #127323 https://github.com/rust-lang/rust/issues/127323
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= note: #[warn(ptr_cast_add_auto_to_object)] on by default
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= note: this could allow UB elsewhere
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= help: use transmute if you're sure this is sound
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warning: adding auto traits Send, Sync, and Unpin to a trait object in a pointer cast may cause UB later on
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error[E0802]: cannot add auto traits Send, Sync, and Unpin to dyn bound via pointer cast
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` --> $DIR/ptr-to-trait-obj-add-auto.rs:13:5
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`LL | x as _
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| ^^^^^^
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| ^^^^^^ unsupported cast
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #127323 https://github.com/rust-lang/rust/issues/127323
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= note: this could allow UB elsewhere
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= help: use transmute if you're sure this is sound
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warning: 2 warnings emitted
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Future incompatibility report: Future breakage diagnostic:
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warning: adding an auto trait Send to a trait object in a pointer cast may cause UB later on
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--> $DIR/ptr-to-trait-obj-add-auto.rs:6:5
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LL | x as _
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| ^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #127323 https://github.com/rust-lang/rust/issues/127323
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= note: #[warn(ptr_cast_add_auto_to_object)] on by default
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Future breakage diagnostic:
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warning: adding auto traits Send, Sync, and Unpin to a trait object in a pointer cast may cause UB later on
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--> $DIR/ptr-to-trait-obj-add-auto.rs:13:5
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LL | x as _
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| ^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #127323 https://github.com/rust-lang/rust/issues/127323
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= note: #[warn(ptr_cast_add_auto_to_object)] on by default
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error: aborting due to 2 previous errors
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For more information about this error, try rustc --explain E0802.
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