diff options
4 files changed, 113 insertions, 0 deletions
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index d6cc31331a3..61ee467f595 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -1427,6 +1427,7 @@ declare_lint! { "trait-object types were treated as different depending on marker-trait order", @future_incompatible = FutureIncompatibleInfo { reference: "issue #56484 <https://github.com/rust-lang/rust/issues/56484>", + reason: FutureIncompatibilityReason::FutureReleaseErrorReportNow, }; } diff --git a/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr b/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr index 3f366bedbf3..2cc4d382d9d 100644 --- a/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr +++ b/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr @@ -37,3 +37,45 @@ LL | impl Foo for dyn Send + Sync + Send {} error: aborting due to 3 previous errors +Future incompatibility report: Future breakage diagnostic: +error: conflicting implementations of trait `Foo` for type `(dyn std::marker::Send + 'static)`: (E0119) + --> $DIR/lint-incoherent-auto-trait-objects.rs:5:1 + | +LL | impl Foo for dyn Send {} + | --------------------- first implementation here +LL | +LL | impl Foo for dyn Send + Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> + = note: `#[deny(order_dependent_trait_objects)]` on by default + +Future breakage diagnostic: +error: conflicting implementations of trait `Foo` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/lint-incoherent-auto-trait-objects.rs:11:1 + | +LL | impl Foo for dyn Send + Sync {} + | ---------------------------- first implementation here +LL | +LL | impl Foo for dyn Sync + Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> + = note: `#[deny(order_dependent_trait_objects)]` on by default + +Future breakage diagnostic: +error: conflicting implementations of trait `Foo` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/lint-incoherent-auto-trait-objects.rs:15:1 + | +LL | impl Foo for dyn Sync + Send {} + | ---------------------------- first implementation here +... +LL | impl Foo for dyn Send + Sync + Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> + = note: `#[deny(order_dependent_trait_objects)]` on by default + diff --git a/src/test/ui/traits/issue-33140-hack-boundaries.stderr b/src/test/ui/traits/issue-33140-hack-boundaries.stderr index 62cfca545b2..58286648d4f 100644 --- a/src/test/ui/traits/issue-33140-hack-boundaries.stderr +++ b/src/test/ui/traits/issue-33140-hack-boundaries.stderr @@ -66,3 +66,20 @@ error: aborting due to 8 previous errors Some errors have detailed explanations: E0119, E0751. For more information about an error, try `rustc --explain E0119`. +Future incompatibility report: Future breakage diagnostic: +warning: conflicting implementations of trait `Trait0` for type `(dyn std::marker::Send + 'static)`: (E0119) + --> $DIR/issue-33140-hack-boundaries.rs:10:1 + | +LL | impl Trait0 for dyn Send {} + | ------------------------ first implementation here +LL | impl Trait0 for dyn Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-hack-boundaries.rs:2:10 + | +LL | #![allow(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + diff --git a/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr b/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr index 4ab777bd4df..0af4df2aecb 100644 --- a/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr +++ b/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr @@ -40,3 +40,56 @@ LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send + Sync { } warning: 3 warnings emitted +Future incompatibility report: Future breakage diagnostic: +warning: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/issue-33140-traitobject-crate.rs:86:1 + | +LL | unsafe impl Trait for dyn (::std::marker::Send) + Sync { } + | ------------------------------------------------------ first implementation here +LL | unsafe impl Trait for dyn (::std::marker::Send) + Send + Sync { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-traitobject-crate.rs:3:9 + | +LL | #![warn(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Future breakage diagnostic: +warning: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/issue-33140-traitobject-crate.rs:89:1 + | +LL | unsafe impl Trait for dyn (::std::marker::Send) + Send + Sync { } + | ------------------------------------------------------------- first implementation here +... +LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-traitobject-crate.rs:3:9 + | +LL | #![warn(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Future breakage diagnostic: +warning: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/issue-33140-traitobject-crate.rs:93:1 + | +LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send { } + | ------------------------------------------------------ first implementation here +... +LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send + Sync { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-traitobject-crate.rs:3:9 + | +LL | #![warn(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + |