diff options
Diffstat (limited to 'tests')
126 files changed, 1132 insertions, 247 deletions
diff --git a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs index 771acb6c4e7..58ce41d1a89 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_type_notation, async_fn_in_trait)] //~^ WARN the feature `return_type_notation` is incomplete diff --git a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr new file mode 100644 index 00000000000..95ef7d82fca --- /dev/null +++ b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr @@ -0,0 +1,48 @@ +error: return type notation uses `()` instead of `(..)` for elided arguments + --> $DIR/bad-inputs-and-output.rs:18:24 + | +LL | fn baz<T: Trait<method(..): Send>>() {} + | ^^ help: remove the `..` + +error[E0658]: associated type bounds are unstable + --> $DIR/bad-inputs-and-output.rs:10:17 + | +LL | fn foo<T: Trait<method(i32): Send>>() {} + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #52662 <https://github.com/rust-lang/rust/issues/52662> for more information + = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable + +error[E0658]: associated type bounds are unstable + --> $DIR/bad-inputs-and-output.rs:14:17 + | +LL | fn bar<T: Trait<method() -> (): Send>>() {} + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #52662 <https://github.com/rust-lang/rust/issues/52662> for more information + = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable + +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/bad-inputs-and-output.rs:3:12 + | +LL | #![feature(return_type_notation, async_fn_in_trait)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: argument types not allowed with return type notation + --> $DIR/bad-inputs-and-output.rs:10:23 + | +LL | fn foo<T: Trait<method(i32): Send>>() {} + | ^^^^^ help: remove the input types: `()` + +error: return type not allowed with return type notation + --> $DIR/bad-inputs-and-output.rs:14:25 + | +LL | fn bar<T: Trait<method() -> (): Send>>() {} + | ^^^^^^ help: remove the return type + +error: aborting due to 5 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/associated-type-bounds/return-type-notation/basic.rs b/tests/ui/associated-type-bounds/return-type-notation/basic.rs index d443c9dc11b..3dd9249a791 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/basic.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/basic.rs @@ -1,9 +1,6 @@ -// revisions: current_with current_without next_with next_without -// [next_with] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// [next_without] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty +// revisions: with without // edition: 2021 -// [current_with] check-pass -// [next_with] check-pass +// [with] check-pass #![feature(return_type_notation, async_fn_in_trait)] //~^ WARN the feature `return_type_notation` is incomplete @@ -20,12 +17,11 @@ async fn foo<T: Foo>() -> Result<(), ()> { fn is_send(_: impl Send) {} fn test< - #[cfg(any(current_with, next_with))] T: Foo<method(): Send>, - #[cfg(any(current_without, next_without))] T: Foo, + #[cfg(with)] T: Foo<method(): Send>, + #[cfg(without)] T: Foo, >() { is_send(foo::<T>()); - //[current_without]~^ ERROR future cannot be sent between threads safely - //[next_without]~^^ ERROR future cannot be sent between threads safely + //[without]~^ ERROR future cannot be sent between threads safely } fn main() {} diff --git a/tests/ui/associated-type-bounds/return-type-notation/equality.rs b/tests/ui/associated-type-bounds/return-type-notation/equality.rs index 0d6545cc298..6884305d7b3 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/equality.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/equality.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_type_notation, async_fn_in_trait)] //~^ WARN the feature `return_type_notation` is incomplete diff --git a/tests/ui/associated-type-bounds/return-type-notation/equality.stderr b/tests/ui/associated-type-bounds/return-type-notation/equality.stderr new file mode 100644 index 00000000000..490bfdc4c3c --- /dev/null +++ b/tests/ui/associated-type-bounds/return-type-notation/equality.stderr @@ -0,0 +1,17 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/equality.rs:3:12 + | +LL | #![feature(return_type_notation, async_fn_in_trait)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: return type notation is not allowed to use type equality + --> $DIR/equality.rs:12:18 + | +LL | fn test<T: Trait<method() = Box<dyn Future<Output = ()>>>>() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error; 1 warning emitted + diff --git a/tests/ui/async-await/edition-deny-async-fns-2015.rs b/tests/ui/async-await/edition-deny-async-fns-2015.rs index d4c30dc9d82..6bd6d879a4a 100644 --- a/tests/ui/async-await/edition-deny-async-fns-2015.rs +++ b/tests/ui/async-await/edition-deny-async-fns-2015.rs @@ -1,6 +1,4 @@ // edition:2015 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next async fn foo() {} //~ ERROR `async fn` is not permitted in Rust 2015 diff --git a/tests/ui/async-await/edition-deny-async-fns-2015.stderr b/tests/ui/async-await/edition-deny-async-fns-2015.stderr new file mode 100644 index 00000000000..ba918eb28de --- /dev/null +++ b/tests/ui/async-await/edition-deny-async-fns-2015.stderr @@ -0,0 +1,98 @@ +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:3:1 + | +LL | async fn foo() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:5:12 + | +LL | fn baz() { async fn foo() {} } + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:7:1 + | +LL | async fn async_baz() { + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:8:5 + | +LL | async fn bar() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:14:5 + | +LL | async fn foo() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:18:5 + | +LL | async fn foo() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:36:9 + | +LL | async fn bar() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:26:9 + | +LL | async fn foo() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0670]: `async fn` is not permitted in Rust 2015 + --> $DIR/edition-deny-async-fns-2015.rs:31:13 + | +LL | async fn bar() {} + | ^^^^^ to use `async fn`, switch to Rust 2018 or later + | + = help: pass `--edition 2021` to `rustc` + = note: for more on editions, read https://doc.rust-lang.org/edition-guide + +error[E0706]: functions in traits cannot be declared `async` + --> $DIR/edition-deny-async-fns-2015.rs:18:5 + | +LL | async fn foo() {} + | -----^^^^^^^^^ + | | + | `async` because of this + | + = note: `async` trait functions are not currently supported + = note: consider using the `async-trait` crate: https://crates.io/crates/async-trait + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = help: add `#![feature(async_fn_in_trait)]` to the crate attributes to enable + +error: aborting due to 10 previous errors + +Some errors have detailed explanations: E0670, E0706. +For more information about an error, try `rustc --explain E0670`. diff --git a/tests/ui/async-await/in-trait/async-associated-types.rs b/tests/ui/async-await/in-trait/async-associated-types.rs index 89ca4039bce..974f5aaff83 100644 --- a/tests/ui/async-await/in-trait/async-associated-types.rs +++ b/tests/ui/async-await/in-trait/async-associated-types.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(impl_trait_projections)] diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.rs b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs index 99c3ba6a3c2..06413fe6f82 100644 --- a/tests/ui/async-await/in-trait/async-default-fn-overridden.rs +++ b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs @@ -1,7 +1,5 @@ // run-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs b/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs index 7b53379b24b..38ba297189c 100644 --- a/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs +++ b/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr b/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr new file mode 100644 index 00000000000..168ef8e9ee4 --- /dev/null +++ b/tests/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr @@ -0,0 +1,17 @@ +error[E0053]: method `foo` has an incompatible type for trait + --> $DIR/async-example-desugared-boxed-in-trait.rs:15:28 + | +LL | async fn foo(&self) -> i32 { + | ^^^ expected `Pin<Box<dyn Future<Output = i32>>>`, found future + | +note: type in trait + --> $DIR/async-example-desugared-boxed-in-trait.rs:11:22 + | +LL | fn foo(&self) -> Pin<Box<dyn Future<Output = i32> + '_>>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: expected signature `fn(&i32) -> Pin<Box<dyn Future<Output = i32>>>` + found signature `fn(&i32) -> impl Future<Output = i32>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0053`. diff --git a/tests/ui/async-await/in-trait/async-example-desugared-boxed.rs b/tests/ui/async-await/in-trait/async-example-desugared-boxed.rs index 916488ffafa..1b1b3cffd58 100644 --- a/tests/ui/async-await/in-trait/async-example-desugared-boxed.rs +++ b/tests/ui/async-await/in-trait/async-example-desugared-boxed.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-example-desugared-boxed.stderr b/tests/ui/async-await/in-trait/async-example-desugared-boxed.stderr new file mode 100644 index 00000000000..60fa534a64f --- /dev/null +++ b/tests/ui/async-await/in-trait/async-example-desugared-boxed.stderr @@ -0,0 +1,11 @@ +error: method `foo` should be async because the method from the trait is async + --> $DIR/async-example-desugared-boxed.rs:15:5 + | +LL | async fn foo(&self) -> i32; + | --------------------------- required because the trait method is async +... +LL | fn foo(&self) -> Pin<Box<dyn Future<Output = i32> + '_>> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/async-await/in-trait/async-example-desugared-extra.rs b/tests/ui/async-await/in-trait/async-example-desugared-extra.rs index edac0b374a3..81e1e59a362 100644 --- a/tests/ui/async-await/in-trait/async-example-desugared-extra.rs +++ b/tests/ui/async-await/in-trait/async-example-desugared-extra.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-example-desugared-in-trait.rs b/tests/ui/async-await/in-trait/async-example-desugared-in-trait.rs index 934f7643dd1..feeda719e03 100644 --- a/tests/ui/async-await/in-trait/async-example-desugared-in-trait.rs +++ b/tests/ui/async-await/in-trait/async-example-desugared-in-trait.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-example-desugared-manual.rs b/tests/ui/async-await/in-trait/async-example-desugared-manual.rs index 4883828d32f..71473e7455f 100644 --- a/tests/ui/async-await/in-trait/async-example-desugared-manual.rs +++ b/tests/ui/async-await/in-trait/async-example-desugared-manual.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-example-desugared-manual.stderr b/tests/ui/async-await/in-trait/async-example-desugared-manual.stderr new file mode 100644 index 00000000000..567a36a86d1 --- /dev/null +++ b/tests/ui/async-await/in-trait/async-example-desugared-manual.stderr @@ -0,0 +1,11 @@ +error: method `foo` should be async because the method from the trait is async + --> $DIR/async-example-desugared-manual.rs:23:5 + | +LL | async fn foo(&self) -> i32; + | --------------------------- required because the trait method is async +... +LL | fn foo(&self) -> MyFuture { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/async-await/in-trait/async-example-desugared.rs b/tests/ui/async-await/in-trait/async-example-desugared.rs index 214171b2e2c..fb92ec78674 100644 --- a/tests/ui/async-await/in-trait/async-example-desugared.rs +++ b/tests/ui/async-await/in-trait/async-example-desugared.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/async-generics-and-bounds.rs b/tests/ui/async-await/in-trait/async-generics-and-bounds.rs index 146e74ec2d0..a73d55adfec 100644 --- a/tests/ui/async-await/in-trait/async-generics-and-bounds.rs +++ b/tests/ui/async-await/in-trait/async-generics-and-bounds.rs @@ -1,8 +1,6 @@ // check-fail // known-bug: #102682 // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/async-generics-and-bounds.stderr b/tests/ui/async-await/in-trait/async-generics-and-bounds.stderr new file mode 100644 index 00000000000..f1f0d7e5907 --- /dev/null +++ b/tests/ui/async-await/in-trait/async-generics-and-bounds.stderr @@ -0,0 +1,37 @@ +error[E0311]: the parameter type `U` may not live long enough + --> $DIR/async-generics-and-bounds.rs:12:28 + | +LL | async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash; + | ^^^^^^^ + | +note: the parameter type `U` must be valid for the anonymous lifetime defined here... + --> $DIR/async-generics-and-bounds.rs:12:18 + | +LL | async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash; + | ^^^^^ +note: ...so that the reference type `&(T, U)` does not outlive the data it points at + --> $DIR/async-generics-and-bounds.rs:12:28 + | +LL | async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash; + | ^^^^^^^ + +error[E0311]: the parameter type `T` may not live long enough + --> $DIR/async-generics-and-bounds.rs:12:28 + | +LL | async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash; + | ^^^^^^^ + | +note: the parameter type `T` must be valid for the anonymous lifetime defined here... + --> $DIR/async-generics-and-bounds.rs:12:18 + | +LL | async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash; + | ^^^^^ +note: ...so that the reference type `&(T, U)` does not outlive the data it points at + --> $DIR/async-generics-and-bounds.rs:12:28 + | +LL | async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash; + | ^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0311`. diff --git a/tests/ui/async-await/in-trait/async-generics.rs b/tests/ui/async-await/in-trait/async-generics.rs index 507500abf4e..67000e5770e 100644 --- a/tests/ui/async-await/in-trait/async-generics.rs +++ b/tests/ui/async-await/in-trait/async-generics.rs @@ -1,8 +1,6 @@ // check-fail // known-bug: #102682 // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/async-generics.stderr b/tests/ui/async-await/in-trait/async-generics.stderr new file mode 100644 index 00000000000..2f05564564c --- /dev/null +++ b/tests/ui/async-await/in-trait/async-generics.stderr @@ -0,0 +1,37 @@ +error[E0311]: the parameter type `U` may not live long enough + --> $DIR/async-generics.rs:9:28 + | +LL | async fn foo(&self) -> &(T, U); + | ^^^^^^^ + | +note: the parameter type `U` must be valid for the anonymous lifetime defined here... + --> $DIR/async-generics.rs:9:18 + | +LL | async fn foo(&self) -> &(T, U); + | ^^^^^ +note: ...so that the reference type `&(T, U)` does not outlive the data it points at + --> $DIR/async-generics.rs:9:28 + | +LL | async fn foo(&self) -> &(T, U); + | ^^^^^^^ + +error[E0311]: the parameter type `T` may not live long enough + --> $DIR/async-generics.rs:9:28 + | +LL | async fn foo(&self) -> &(T, U); + | ^^^^^^^ + | +note: the parameter type `T` must be valid for the anonymous lifetime defined here... + --> $DIR/async-generics.rs:9:18 + | +LL | async fn foo(&self) -> &(T, U); + | ^^^^^ +note: ...so that the reference type `&(T, U)` does not outlive the data it points at + --> $DIR/async-generics.rs:9:28 + | +LL | async fn foo(&self) -> &(T, U); + | ^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0311`. diff --git a/tests/ui/async-await/in-trait/async-lifetimes-and-bounds.rs b/tests/ui/async-await/in-trait/async-lifetimes-and-bounds.rs index 9869a8d71c2..d5481d277e4 100644 --- a/tests/ui/async-await/in-trait/async-lifetimes-and-bounds.rs +++ b/tests/ui/async-await/in-trait/async-lifetimes-and-bounds.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/async-lifetimes.rs b/tests/ui/async-await/in-trait/async-lifetimes.rs index ecbd1910ac4..f298e45d239 100644 --- a/tests/ui/async-await/in-trait/async-lifetimes.rs +++ b/tests/ui/async-await/in-trait/async-lifetimes.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/async-recursive-generic.rs b/tests/ui/async-await/in-trait/async-recursive-generic.rs index 64c6ba15c0c..6839abd381c 100644 --- a/tests/ui/async-await/in-trait/async-recursive-generic.rs +++ b/tests/ui/async-await/in-trait/async-recursive-generic.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/async-recursive-generic.stderr b/tests/ui/async-await/in-trait/async-recursive-generic.stderr new file mode 100644 index 00000000000..cab173bdd5b --- /dev/null +++ b/tests/ui/async-await/in-trait/async-recursive-generic.stderr @@ -0,0 +1,12 @@ +error[E0733]: recursion in an `async fn` requires boxing + --> $DIR/async-recursive-generic.rs:11:48 + | +LL | async fn foo_recursive(&self, n: usize) -> T { + | ^ recursive `async fn` + | + = note: a recursive `async fn` must be rewritten to return a boxed `dyn Future` + = note: consider using the `async_recursion` crate: https://crates.io/crates/async_recursion + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0733`. diff --git a/tests/ui/async-await/in-trait/async-recursive.rs b/tests/ui/async-await/in-trait/async-recursive.rs index d928909e3ae..61119f8095b 100644 --- a/tests/ui/async-await/in-trait/async-recursive.rs +++ b/tests/ui/async-await/in-trait/async-recursive.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/async-recursive.stderr b/tests/ui/async-await/in-trait/async-recursive.stderr new file mode 100644 index 00000000000..9feff37b3fe --- /dev/null +++ b/tests/ui/async-await/in-trait/async-recursive.stderr @@ -0,0 +1,12 @@ +error[E0733]: recursion in an `async fn` requires boxing + --> $DIR/async-recursive.rs:11:48 + | +LL | async fn foo_recursive(&self, n: usize) -> i32 { + | ^^^ recursive `async fn` + | + = note: a recursive `async fn` must be rewritten to return a boxed `dyn Future` + = note: consider using the `async_recursion` crate: https://crates.io/crates/async_recursion + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0733`. diff --git a/tests/ui/async-await/in-trait/bad-signatures.rs b/tests/ui/async-await/in-trait/bad-signatures.rs index 4baddd8ccb8..98dddc126c5 100644 --- a/tests/ui/async-await/in-trait/bad-signatures.rs +++ b/tests/ui/async-await/in-trait/bad-signatures.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/bad-signatures.stderr b/tests/ui/async-await/in-trait/bad-signatures.stderr new file mode 100644 index 00000000000..7cbd96e2487 --- /dev/null +++ b/tests/ui/async-await/in-trait/bad-signatures.stderr @@ -0,0 +1,17 @@ +error: expected identifier, found keyword `self` + --> $DIR/bad-signatures.rs:6:23 + | +LL | async fn bar(&abc self); + | ^^^^ expected identifier, found keyword + +error: expected one of `:`, `@`, or `|`, found keyword `self` + --> $DIR/bad-signatures.rs:6:23 + | +LL | async fn bar(&abc self); + | -----^^^^ + | | | + | | expected one of `:`, `@`, or `|` + | help: declare the type after the parameter binding: `<identifier>: <type>` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.rs b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.rs index 7183eaccc93..afd3db5e052 100644 --- a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.rs +++ b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.rs @@ -1,7 +1,5 @@ // edition: 2021 // known-bug: #108309 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(min_specialization)] diff --git a/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.stderr b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.stderr new file mode 100644 index 00000000000..7c750bf5101 --- /dev/null +++ b/tests/ui/async-await/in-trait/dont-project-to-specializable-projection.stderr @@ -0,0 +1,25 @@ +error[E0053]: method `foo` has an incompatible type for trait + --> $DIR/dont-project-to-specializable-projection.rs:14:35 + | +LL | default async fn foo(_: T) -> &'static str { + | ^^^^^^^^^^^^ expected associated type, found future + | +note: type in trait + --> $DIR/dont-project-to-specializable-projection.rs:10:27 + | +LL | async fn foo(_: T) -> &'static str; + | ^^^^^^^^^^^^ + = note: expected signature `fn(_) -> impl Future<Output = &'static str>` + found signature `fn(_) -> impl Future<Output = &'static str>` + +error: async associated function in trait cannot be specialized + --> $DIR/dont-project-to-specializable-projection.rs:14:5 + | +LL | default async fn foo(_: T) -> &'static str { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: specialization behaves in inconsistent and surprising ways with `#![feature(async_fn_in_trait)]`, and for now is disallowed + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0053`. diff --git a/tests/ui/async-await/in-trait/early-bound-1.rs b/tests/ui/async-await/in-trait/early-bound-1.rs index 30843473def..6b3b142014b 100644 --- a/tests/ui/async-await/in-trait/early-bound-1.rs +++ b/tests/ui/async-await/in-trait/early-bound-1.rs @@ -1,7 +1,5 @@ // check-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/early-bound-2.rs b/tests/ui/async-await/in-trait/early-bound-2.rs index 1c5a68c2a5a..270443229b0 100644 --- a/tests/ui/async-await/in-trait/early-bound-2.rs +++ b/tests/ui/async-await/in-trait/early-bound-2.rs @@ -1,7 +1,5 @@ // check-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/fn-not-async-err2.rs b/tests/ui/async-await/in-trait/fn-not-async-err2.rs index 5fdb7296aaf..78017429f73 100644 --- a/tests/ui/async-await/in-trait/fn-not-async-err2.rs +++ b/tests/ui/async-await/in-trait/fn-not-async-err2.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/fn-not-async-err2.stderr b/tests/ui/async-await/in-trait/fn-not-async-err2.stderr new file mode 100644 index 00000000000..37d9669c012 --- /dev/null +++ b/tests/ui/async-await/in-trait/fn-not-async-err2.stderr @@ -0,0 +1,12 @@ +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return types + --> $DIR/fn-not-async-err2.rs:13:22 + | +LL | fn foo(&self) -> impl Future<Output = i32> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0562`. diff --git a/tests/ui/async-await/in-trait/implied-bounds.rs b/tests/ui/async-await/in-trait/implied-bounds.rs index 45ada1d84c3..52bceb3cc5c 100644 --- a/tests/ui/async-await/in-trait/implied-bounds.rs +++ b/tests/ui/async-await/in-trait/implied-bounds.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/issue-102138.rs b/tests/ui/async-await/in-trait/issue-102138.rs index ced30b7e4e4..f61b34ed99e 100644 --- a/tests/ui/async-await/in-trait/issue-102138.rs +++ b/tests/ui/async-await/in-trait/issue-102138.rs @@ -1,7 +1,5 @@ // check-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/issue-102219.rs b/tests/ui/async-await/in-trait/issue-102219.rs index f3fdfa3459a..9a35f6515cb 100644 --- a/tests/ui/async-await/in-trait/issue-102219.rs +++ b/tests/ui/async-await/in-trait/issue-102219.rs @@ -1,8 +1,6 @@ // compile-flags:--crate-type=lib // edition:2021 // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/issue-102310.rs b/tests/ui/async-await/in-trait/issue-102310.rs index 8e5dbd08eb9..49c3e9feeb4 100644 --- a/tests/ui/async-await/in-trait/issue-102310.rs +++ b/tests/ui/async-await/in-trait/issue-102310.rs @@ -1,7 +1,5 @@ // check-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/issue-104678.rs b/tests/ui/async-await/in-trait/issue-104678.rs index 3d010f18009..e396df4e5d1 100644 --- a/tests/ui/async-await/in-trait/issue-104678.rs +++ b/tests/ui/async-await/in-trait/issue-104678.rs @@ -1,7 +1,5 @@ // edition:2021 // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/async-await/in-trait/lifetime-mismatch.rs b/tests/ui/async-await/in-trait/lifetime-mismatch.rs index 46183f72bce..bb793df5d85 100644 --- a/tests/ui/async-await/in-trait/lifetime-mismatch.rs +++ b/tests/ui/async-await/in-trait/lifetime-mismatch.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/lifetime-mismatch.stderr b/tests/ui/async-await/in-trait/lifetime-mismatch.stderr new file mode 100644 index 00000000000..86592269c02 --- /dev/null +++ b/tests/ui/async-await/in-trait/lifetime-mismatch.stderr @@ -0,0 +1,12 @@ +error[E0195]: lifetime parameters or bounds on method `foo` do not match the trait declaration + --> $DIR/lifetime-mismatch.rs:11:17 + | +LL | async fn foo<'a>(&self); + | ---- lifetimes in impl do not match this method in trait +... +LL | async fn foo(&self) {} + | ^ lifetimes do not match method in trait + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0195`. diff --git a/tests/ui/async-await/in-trait/missing-feature-flag.rs b/tests/ui/async-await/in-trait/missing-feature-flag.rs index 6481f4a7059..34dd50a1c30 100644 --- a/tests/ui/async-await/in-trait/missing-feature-flag.rs +++ b/tests/ui/async-await/in-trait/missing-feature-flag.rs @@ -1,6 +1,4 @@ // edition:2018 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] #![feature(min_specialization)] diff --git a/tests/ui/async-await/in-trait/missing-feature-flag.stderr b/tests/ui/async-await/in-trait/missing-feature-flag.stderr new file mode 100644 index 00000000000..f6aba1fcdbf --- /dev/null +++ b/tests/ui/async-await/in-trait/missing-feature-flag.stderr @@ -0,0 +1,30 @@ +error[E0046]: not all trait items implemented, missing: `foo` + --> $DIR/missing-feature-flag.rs:12:1 + | +LL | async fn foo(_: T) -> &'static str; + | ----------------------------------- `foo` from trait +... +LL | impl<T> MyTrait<T> for MyStruct {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation + +error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default` + --> $DIR/missing-feature-flag.rs:16:5 + | +LL | impl<T> MyTrait<T> for MyStruct {} + | ------------------------------- parent `impl` is here +... +LL | async fn foo(_: i32) -> &'static str {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `foo` + | + = note: to specialize, `foo` in the parent `impl` must be marked `default` + +error[E0308]: mismatched types + --> $DIR/missing-feature-flag.rs:16:42 + | +LL | async fn foo(_: i32) -> &'static str {} + | ^^ expected `&str`, found `()` + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0046, E0308, E0520. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/async-await/in-trait/missing-send-bound.rs b/tests/ui/async-await/in-trait/missing-send-bound.rs index b602865cbb1..dbcc6657618 100644 --- a/tests/ui/async-await/in-trait/missing-send-bound.rs +++ b/tests/ui/async-await/in-trait/missing-send-bound.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/missing-send-bound.stderr b/tests/ui/async-await/in-trait/missing-send-bound.stderr new file mode 100644 index 00000000000..18185b75554 --- /dev/null +++ b/tests/ui/async-await/in-trait/missing-send-bound.stderr @@ -0,0 +1,20 @@ +error: future cannot be sent between threads safely + --> $DIR/missing-send-bound.rs:14:20 + | +LL | assert_is_send(test::<T>()); + | ^^^^^^^^^^^ future returned by `test` is not `Send` + | + = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `impl Future<Output = ()>` +note: future is not `Send` as it awaits another future which is not `Send` + --> $DIR/missing-send-bound.rs:10:5 + | +LL | T::bar().await; + | ^^^^^^^^ await occurs here on type `impl Future<Output = ()>`, which is not `Send` +note: required by a bound in `assert_is_send` + --> $DIR/missing-send-bound.rs:18:27 + | +LL | fn assert_is_send(_: impl Send) {} + | ^^^^ required by this bound in `assert_is_send` + +error: aborting due to previous error + diff --git a/tests/ui/async-await/in-trait/object-safety.rs b/tests/ui/async-await/in-trait/object-safety.rs index 4edad1512e9..441539e5dd4 100644 --- a/tests/ui/async-await/in-trait/object-safety.rs +++ b/tests/ui/async-await/in-trait/object-safety.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/object-safety.stderr b/tests/ui/async-await/in-trait/object-safety.stderr new file mode 100644 index 00000000000..ccdf9d88708 --- /dev/null +++ b/tests/ui/async-await/in-trait/object-safety.stderr @@ -0,0 +1,18 @@ +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety.rs:10:12 + | +LL | let x: &dyn Foo = todo!(); + | ^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety.rs:6:14 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | async fn foo(&self); + | ^^^ ...because method `foo` is `async` + = help: consider moving `foo` to another trait + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/async-await/in-trait/return-not-existing-pair.rs b/tests/ui/async-await/in-trait/return-not-existing-pair.rs index d1b3832d12b..a14dfceed75 100644 --- a/tests/ui/async-await/in-trait/return-not-existing-pair.rs +++ b/tests/ui/async-await/in-trait/return-not-existing-pair.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/return-not-existing-pair.stderr b/tests/ui/async-await/in-trait/return-not-existing-pair.stderr new file mode 100644 index 00000000000..e573b851706 --- /dev/null +++ b/tests/ui/async-await/in-trait/return-not-existing-pair.stderr @@ -0,0 +1,39 @@ +error[E0726]: implicit elided lifetime not allowed here + --> $DIR/return-not-existing-pair.rs:10:20 + | +LL | impl<'a, 'b, T, U> MyTrait<T> for U { + | ^^^^^^^^^^ expected lifetime parameters + | +help: indicate the anonymous lifetimes + | +LL | impl<'a, 'b, T, U> MyTrait<'_, '_, T> for U { + | +++++++ + +error[E0412]: cannot find type `ConnImpl` in this scope + --> $DIR/return-not-existing-pair.rs:6:48 + | +LL | async fn foo(&'a self, key: &'b T) -> (&'a ConnImpl, &'b T); + | ^^^^^^^^ not found in this scope + +error[E0186]: method `foo` has a `&self` declaration in the trait, but not in the impl + --> $DIR/return-not-existing-pair.rs:12:5 + | +LL | async fn foo(&'a self, key: &'b T) -> (&'a ConnImpl, &'b T); + | ------------------------------------------------------------ `&self` used in trait +... +LL | async fn foo(_: T) -> (&'a U, &'b T) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&self` in impl + +error[E0308]: mismatched types + --> $DIR/return-not-existing-pair.rs:12:42 + | +LL | async fn foo(_: T) -> (&'a U, &'b T) {} + | ^^ expected `(&U, &T)`, found `()` + | + = note: expected tuple `(&'a U, &'b T)` + found unit type `()` + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0186, E0308, E0412, E0726. +For more information about an error, try `rustc --explain E0186`. diff --git a/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.rs b/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.rs index 37c02827e8d..254b9a7824f 100644 --- a/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.rs +++ b/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.stderr b/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.stderr new file mode 100644 index 00000000000..059934d245c --- /dev/null +++ b/tests/ui/async-await/in-trait/return-not-existing-type-wrapping-rpitit.stderr @@ -0,0 +1,9 @@ +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/return-not-existing-type-wrapping-rpitit.rs:8:25 + | +LL | fn bar() -> Wrapper<Missing<impl Sized>>; + | ^^^^^^^ not found in this scope + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/tests/ui/async-await/in-trait/return-type-suggestion.rs b/tests/ui/async-await/in-trait/return-type-suggestion.rs index d63bccefa9f..92a9e035e89 100644 --- a/tests/ui/async-await/in-trait/return-type-suggestion.rs +++ b/tests/ui/async-await/in-trait/return-type-suggestion.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/in-trait/return-type-suggestion.stderr b/tests/ui/async-await/in-trait/return-type-suggestion.stderr new file mode 100644 index 00000000000..d9309459812 --- /dev/null +++ b/tests/ui/async-await/in-trait/return-type-suggestion.stderr @@ -0,0 +1,14 @@ +error[E0308]: mismatched types + --> $DIR/return-type-suggestion.rs:7:9 + | +LL | Ok(()) + | ^^^^^^- help: consider using a semicolon here: `;` + | | + | expected `()`, found `Result<(), _>` + | + = note: expected unit type `()` + found enum `Result<(), _>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.rs b/tests/ui/async-await/return-type-notation/issue-110963-early.rs index eee31aa1fe5..0ecbca5c13b 100644 --- a/tests/ui/async-await/return-type-notation/issue-110963-early.rs +++ b/tests/ui/async-await/return-type-notation/issue-110963-early.rs @@ -1,7 +1,5 @@ // edition: 2021 // known-bug: #110963 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_type_notation)] #![feature(async_fn_in_trait)] diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.stderr b/tests/ui/async-await/return-type-notation/issue-110963-early.stderr new file mode 100644 index 00000000000..33e22dec3f7 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/issue-110963-early.stderr @@ -0,0 +1,37 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-110963-early.rs:4:12 + | +LL | #![feature(return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: higher-ranked lifetime error + --> $DIR/issue-110963-early.rs:15:5 + | +LL | / spawn(async move { +LL | | let mut hc = hc; +LL | | if !hc.check().await { +LL | | log_health_check_failure().await; +LL | | } +LL | | }); + | |______^ + | + = note: could not prove `[async block@$DIR/issue-110963-early.rs:15:11: 20:6]: Send` + +error: higher-ranked lifetime error + --> $DIR/issue-110963-early.rs:15:5 + | +LL | / spawn(async move { +LL | | let mut hc = hc; +LL | | if !hc.check().await { +LL | | log_health_check_failure().await; +LL | | } +LL | | }); + | |______^ + | + = note: could not prove `[async block@$DIR/issue-110963-early.rs:15:11: 20:6]: Send` + +error: aborting due to 2 previous errors; 1 warning emitted + diff --git a/tests/ui/async-await/return-type-notation/issue-110963-late.rs b/tests/ui/async-await/return-type-notation/issue-110963-late.rs index ea047cd3b16..17b5d775d44 100644 --- a/tests/ui/async-await/return-type-notation/issue-110963-late.rs +++ b/tests/ui/async-await/return-type-notation/issue-110963-late.rs @@ -1,7 +1,5 @@ // edition: 2021 // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_type_notation)] //~^ WARN the feature `return_type_notation` is incomplete diff --git a/tests/ui/async-await/return-type-notation/issue-110963-late.stderr b/tests/ui/async-await/return-type-notation/issue-110963-late.stderr new file mode 100644 index 00000000000..9c6966537a7 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/issue-110963-late.stderr @@ -0,0 +1,11 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-110963-late.rs:4:12 + | +LL | #![feature(return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/async-await/return-type-notation/super-method-bound.rs b/tests/ui/async-await/return-type-notation/super-method-bound.rs index 0163c62f545..58ea3578db6 100644 --- a/tests/ui/async-await/return-type-notation/super-method-bound.rs +++ b/tests/ui/async-await/return-type-notation/super-method-bound.rs @@ -1,7 +1,5 @@ // edition:2021 // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait, return_type_notation)] //~^ WARN the feature `return_type_notation` is incomplete diff --git a/tests/ui/async-await/return-type-notation/super-method-bound.stderr b/tests/ui/async-await/return-type-notation/super-method-bound.stderr new file mode 100644 index 00000000000..ac0668d3c44 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/super-method-bound.stderr @@ -0,0 +1,11 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/super-method-bound.rs:4:31 + | +LL | #![feature(async_fn_in_trait, return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/async-await/return-type-notation/supertrait-bound.rs b/tests/ui/async-await/return-type-notation/supertrait-bound.rs index 09de32c5d4a..19bcfe3046b 100644 --- a/tests/ui/async-await/return-type-notation/supertrait-bound.rs +++ b/tests/ui/async-await/return-type-notation/supertrait-bound.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait, return_type_notation)] //~^ WARN the feature `return_type_notation` is incomplete and may not be safe to use diff --git a/tests/ui/async-await/return-type-notation/supertrait-bound.stderr b/tests/ui/async-await/return-type-notation/supertrait-bound.stderr new file mode 100644 index 00000000000..c8cec4946b4 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/supertrait-bound.stderr @@ -0,0 +1,11 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/supertrait-bound.rs:3:49 + | +LL | #![feature(return_position_impl_trait_in_trait, return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/async-await/return-type-notation/ty-or-ct-params.rs b/tests/ui/async-await/return-type-notation/ty-or-ct-params.rs index 3141da1d296..7871a2fed03 100644 --- a/tests/ui/async-await/return-type-notation/ty-or-ct-params.rs +++ b/tests/ui/async-await/return-type-notation/ty-or-ct-params.rs @@ -1,6 +1,4 @@ // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait, return_type_notation)] //~^ WARN the feature `return_type_notation` is incomplete diff --git a/tests/ui/async-await/return-type-notation/ty-or-ct-params.stderr b/tests/ui/async-await/return-type-notation/ty-or-ct-params.stderr new file mode 100644 index 00000000000..76928c5d7a3 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/ty-or-ct-params.stderr @@ -0,0 +1,29 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/ty-or-ct-params.rs:3:31 + | +LL | #![feature(async_fn_in_trait, return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: return type notation is not allowed for functions that have type parameters + --> $DIR/ty-or-ct-params.rs:14:12 + | +LL | async fn bar<T>() {} + | - type parameter declared here +... +LL | T: Foo<bar(): Send, baz(): Send>, + | ^^^^^^^^^^^ + +error: return type notation is not allowed for functions that have const parameters + --> $DIR/ty-or-ct-params.rs:14:25 + | +LL | async fn baz<const N: usize>() {} + | -------------- const parameter declared here +... +LL | T: Foo<bar(): Send, baz(): Send>, + | ^^^^^^^^^^^ + +error: aborting due to 2 previous errors; 1 warning emitted + diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.rs b/tests/ui/feature-gates/feature-gate-return_type_notation.rs index 7e8c1eb95ca..ae12495b5dc 100644 --- a/tests/ui/feature-gates/feature-gate-return_type_notation.rs +++ b/tests/ui/feature-gates/feature-gate-return_type_notation.rs @@ -1,10 +1,7 @@ // edition: 2021 -// revisions: cfg_current cfg_next no_current no_next -// [cfg_next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// [no_next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty +// revisions: cfg no -// [no_current] check-pass -// [no_next] check-pass +// [no] check-pass // Since we're not adding new syntax, `cfg`'d out RTN must pass. #![feature(async_fn_in_trait)] @@ -13,17 +10,12 @@ trait Trait { async fn m(); } -#[cfg(any(cfg_current, cfg_next))] +#[cfg(cfg)] fn foo<T: Trait<m(): Send>>() {} -//[cfg_current]~^ ERROR return type notation is experimental -//[cfg_current]~| ERROR parenthesized generic arguments cannot be used in associated type constraints -//[cfg_current]~| ERROR associated type `m` not found for `Trait` -//[cfg_next]~^^^^ ERROR return type notation is experimental -//[cfg_next]~| ERROR parenthesized generic arguments cannot be used in associated type constraints -//[cfg_next]~| ERROR associated type `m` not found for `Trait` -//[no_current]~^^^^^^^ WARN return type notation is experimental -//[no_current]~| WARN unstable syntax can change at any point in the future, causing a hard error! -//[no_next]~^^^^^^^^^ WARN return type notation is experimental -//[no_next]~| WARN unstable syntax can change at any point in the future, causing a hard error! +//[cfg]~^ ERROR return type notation is experimental +//[cfg]~| ERROR parenthesized generic arguments cannot be used in associated type constraints +//[cfg]~| ERROR associated type `m` not found for `Trait` +//[no]~^^^^ WARN return type notation is experimental +//[no]~| WARN unstable syntax can change at any point in the future, causing a hard error! fn main() {} diff --git a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs index 776006124dc..cfc2193f633 100644 --- a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs +++ b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs @@ -1,5 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty - #![feature(return_position_impl_trait_in_trait)] use std::ops::Deref; @@ -10,5 +8,7 @@ pub trait Foo { pub struct Foreign; impl Foo for Foreign { - fn bar(self) -> &'static () { &() } + fn bar(self) -> &'static () { + &() + } } diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs index f5290a5f4af..f5ee4690fa9 100644 --- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs +++ b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/impl-trait/in-trait/deep-match-works.rs b/tests/ui/impl-trait/in-trait/deep-match-works.rs index 5c9d2e356fc..78cff97c616 100644 --- a/tests/ui/impl-trait/in-trait/deep-match-works.rs +++ b/tests/ui/impl-trait/in-trait/deep-match-works.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/deep-match.rs b/tests/ui/impl-trait/in-trait/deep-match.rs index 413d054e148..0cae88f349f 100644 --- a/tests/ui/impl-trait/in-trait/deep-match.rs +++ b/tests/ui/impl-trait/in-trait/deep-match.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/deep-match.stderr b/tests/ui/impl-trait/in-trait/deep-match.stderr new file mode 100644 index 00000000000..f0ad3c16e9c --- /dev/null +++ b/tests/ui/impl-trait/in-trait/deep-match.stderr @@ -0,0 +1,15 @@ +error[E0053]: method `bar` has an incompatible return type for trait + --> $DIR/deep-match.rs:11:17 + | +LL | fn bar() -> i32 { + | ^^^ + | | + | expected `Wrapper<_>`, found `i32` + | return type in trait + | + = note: expected struct `Wrapper<_>` + found type `i32` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0053`. diff --git a/tests/ui/impl-trait/in-trait/default-body-type-err-2.rs b/tests/ui/impl-trait/in-trait/default-body-type-err-2.rs index 62323776310..45ae2b8ad3a 100644 --- a/tests/ui/impl-trait/in-trait/default-body-type-err-2.rs +++ b/tests/ui/impl-trait/in-trait/default-body-type-err-2.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![allow(incomplete_features)] #![feature(async_fn_in_trait)] diff --git a/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr b/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr new file mode 100644 index 00000000000..cc3bdf0e571 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr @@ -0,0 +1,11 @@ +error[E0308]: mismatched types + --> $DIR/default-body-type-err-2.rs:8:9 + | +LL | 42 + | ^^- help: try using a conversion method: `.to_string()` + | | + | expected `String`, found integer + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/impl-trait/in-trait/default-body-type-err.rs b/tests/ui/impl-trait/in-trait/default-body-type-err.rs index 9bd5b777989..ac9baf91cae 100644 --- a/tests/ui/impl-trait/in-trait/default-body-type-err.rs +++ b/tests/ui/impl-trait/in-trait/default-body-type-err.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![allow(incomplete_features)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/impl-trait/in-trait/default-body-type-err.stderr b/tests/ui/impl-trait/in-trait/default-body-type-err.stderr new file mode 100644 index 00000000000..4742eb37d3e --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-body-type-err.stderr @@ -0,0 +1,12 @@ +error[E0271]: type mismatch resolving `<&i32 as Deref>::Target == String` + --> $DIR/default-body-type-err.rs:7:22 + | +LL | fn lol(&self) -> impl Deref<Target = String> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `String` +LL | +LL | &1i32 + | ----- return type was inferred to be `&i32` here + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/impl-trait/in-trait/default-body-with-rpit.rs b/tests/ui/impl-trait/in-trait/default-body-with-rpit.rs index 6bcc7b9ef95..0558d95128f 100644 --- a/tests/ui/impl-trait/in-trait/default-body-with-rpit.rs +++ b/tests/ui/impl-trait/in-trait/default-body-with-rpit.rs @@ -1,7 +1,5 @@ // edition:2021 // known-bug: #108304 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait, return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/default-body-with-rpit.stderr b/tests/ui/impl-trait/in-trait/default-body-with-rpit.stderr new file mode 100644 index 00000000000..b5fc9d44d36 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-body-with-rpit.stderr @@ -0,0 +1,24 @@ +error: concrete type differs from previous defining opaque type use + --> $DIR/default-body-with-rpit.rs:11:9 + | +LL | "" + | ^^ expected `impl Debug`, got `&'static str` + | +note: previous use here + --> $DIR/default-body-with-rpit.rs:10:39 + | +LL | async fn baz(&self) -> impl Debug { + | _______________________________________^ +LL | | "" +LL | | } + | |_____^ + +error[E0720]: cannot resolve opaque type + --> $DIR/default-body-with-rpit.rs:10:28 + | +LL | async fn baz(&self) -> impl Debug { + | ^^^^^^^^^^ cannot resolve opaque type + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0720`. diff --git a/tests/ui/impl-trait/in-trait/default-body.rs b/tests/ui/impl-trait/in-trait/default-body.rs index ab6a51c6bcb..b0baf5bb10d 100644 --- a/tests/ui/impl-trait/in-trait/default-body.rs +++ b/tests/ui/impl-trait/in-trait/default-body.rs @@ -1,7 +1,5 @@ // check-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait, return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs index 187039f449c..817a4d7dbbe 100644 --- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs +++ b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.rs b/tests/ui/impl-trait/in-trait/default-method-constraint.rs index 4f0bf2e7dfe..28d76241f27 100644 --- a/tests/ui/impl-trait/in-trait/default-method-constraint.rs +++ b/tests/ui/impl-trait/in-trait/default-method-constraint.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next // This didn't work in the previous default RPITIT method hack attempt diff --git a/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs b/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs index fcd0b51eea4..bb4e0d44f3e 100644 --- a/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs +++ b/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr b/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr new file mode 100644 index 00000000000..7c56ffa10e1 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr @@ -0,0 +1,17 @@ +error[E0277]: `()` doesn't implement `std::fmt::Display` + --> $DIR/doesnt-satisfy.rs:9:17 + | +LL | fn bar() -> () {} + | ^^ `()` cannot be formatted with the default formatter + | + = help: the trait `std::fmt::Display` is not implemented for `()` + = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead +note: required by a bound in `Foo::{opaque#0}` + --> $DIR/doesnt-satisfy.rs:5:22 + | +LL | fn bar() -> impl std::fmt::Display; + | ^^^^^^^^^^^^^^^^^ required by this bound in `Foo::{opaque#0}` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs index 4d50b8c9278..4719d5d3c67 100644 --- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs +++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] trait MyTrait { diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.stderr b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.stderr new file mode 100644 index 00000000000..66ee142ccc4 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.stderr @@ -0,0 +1,12 @@ +error[E0046]: not all trait items implemented, missing: `foo` + --> $DIR/dont-project-to-rpitit-with-no-value.rs:8:1 + | +LL | fn foo(&self) -> impl Sized; + | ---------------------------- `foo` from trait +... +LL | impl MyTrait for i32 { + | ^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0046`. diff --git a/tests/ui/impl-trait/in-trait/early.rs b/tests/ui/impl-trait/in-trait/early.rs index 831033a5880..9c1c2b50339 100644 --- a/tests/ui/impl-trait/in-trait/early.rs +++ b/tests/ui/impl-trait/in-trait/early.rs @@ -1,7 +1,5 @@ // check-pass // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(async_fn_in_trait, return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/encode.rs b/tests/ui/impl-trait/in-trait/encode.rs index 98aaf4a6553..efb9f6498ba 100644 --- a/tests/ui/impl-trait/in-trait/encode.rs +++ b/tests/ui/impl-trait/in-trait/encode.rs @@ -1,7 +1,5 @@ // build-pass // compile-flags: --crate-type=lib -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr index 6eef392c05f..bfb2be8cbc1 100644 --- a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr +++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr @@ -5,7 +5,7 @@ LL | let _: &dyn rpitit::Foo = todo!(); | ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> - --> $DIR/auxiliary/rpitit.rs:8:21 + --> $DIR/auxiliary/rpitit.rs:6:21 | LL | fn bar(self) -> impl Deref<Target = impl Sized>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait cannot be made into an object because method `bar` references an `impl Trait` type in its return type diff --git a/tests/ui/impl-trait/in-trait/foreign.rs b/tests/ui/impl-trait/in-trait/foreign.rs index b0fbe3a3d4a..b0c93a02935 100644 --- a/tests/ui/impl-trait/in-trait/foreign.rs +++ b/tests/ui/impl-trait/in-trait/foreign.rs @@ -1,7 +1,5 @@ // check-pass // aux-build: rpitit.rs -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next extern crate rpitit; @@ -11,7 +9,9 @@ use std::sync::Arc; // Implement an RPITIT from another crate. struct Local; impl Foo for Local { - fn bar(self) -> Arc<String> { Arc::new(String::new()) } + fn bar(self) -> Arc<String> { + Arc::new(String::new()) + } } fn generic(f: impl Foo) { diff --git a/tests/ui/impl-trait/in-trait/generics-mismatch.rs b/tests/ui/impl-trait/in-trait/generics-mismatch.rs index 9259ca193d1..cc0fc720ebb 100644 --- a/tests/ui/impl-trait/in-trait/generics-mismatch.rs +++ b/tests/ui/impl-trait/in-trait/generics-mismatch.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/generics-mismatch.stderr b/tests/ui/impl-trait/in-trait/generics-mismatch.stderr new file mode 100644 index 00000000000..cd42683e022 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/generics-mismatch.stderr @@ -0,0 +1,12 @@ +error[E0049]: method `bar` has 1 type parameter but its trait declaration has 0 type parameters + --> $DIR/generics-mismatch.rs:11:12 + | +LL | fn bar(&self) -> impl Sized; + | - expected 0 type parameters +... +LL | fn bar<T>(&self) {} + | ^ found 1 type parameter + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0049`. diff --git a/tests/ui/impl-trait/in-trait/issue-102140.rs b/tests/ui/impl-trait/in-trait/issue-102140.rs index 4dcac4f5b0e..be1e012acb1 100644 --- a/tests/ui/impl-trait/in-trait/issue-102140.rs +++ b/tests/ui/impl-trait/in-trait/issue-102140.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/issue-102140.stderr b/tests/ui/impl-trait/in-trait/issue-102140.stderr new file mode 100644 index 00000000000..5d55b9fa4f9 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/issue-102140.stderr @@ -0,0 +1,29 @@ +error[E0277]: the trait bound `&dyn MyTrait: MyTrait` is not satisfied + --> $DIR/issue-102140.rs:23:22 + | +LL | MyTrait::foo(&self) + | ------------ ^^^^^ the trait `MyTrait` is not implemented for `&dyn MyTrait` + | | + | required by a bound introduced by this call + | + = help: the trait `MyTrait` is implemented for `Outer` + +error[E0277]: the trait bound `&dyn MyTrait: MyTrait` is not satisfied + --> $DIR/issue-102140.rs:23:9 + | +LL | MyTrait::foo(&self) + | ^^^^^^^^^^^^^^^^^^^ the trait `MyTrait` is not implemented for `&dyn MyTrait` + | + = help: the trait `MyTrait` is implemented for `Outer` + +error[E0277]: the trait bound `&dyn MyTrait: MyTrait` is not satisfied + --> $DIR/issue-102140.rs:23:9 + | +LL | MyTrait::foo(&self) + | ^^^^^^^^^^^^ the trait `MyTrait` is not implemented for `&dyn MyTrait` + | + = help: the trait `MyTrait` is implemented for `Outer` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/in-trait/issue-102301.rs b/tests/ui/impl-trait/in-trait/issue-102301.rs index 1329ca29d06..a93714a658e 100644 --- a/tests/ui/impl-trait/in-trait/issue-102301.rs +++ b/tests/ui/impl-trait/in-trait/issue-102301.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/issue-102571.rs b/tests/ui/impl-trait/in-trait/issue-102571.rs index f0ddab5e7f2..61c91e64417 100644 --- a/tests/ui/impl-trait/in-trait/issue-102571.rs +++ b/tests/ui/impl-trait/in-trait/issue-102571.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/issue-102571.stderr b/tests/ui/impl-trait/in-trait/issue-102571.stderr new file mode 100644 index 00000000000..87219941d91 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/issue-102571.stderr @@ -0,0 +1,14 @@ +error[E0308]: mismatched types + --> $DIR/issue-102571.rs:20:9 + | +LL | let () = t.bar(); + | ^^ ------- this expression has type `impl Deref<Target = impl std::fmt::Display + ?Sized>` + | | + | expected associated type, found `()` + | + = note: expected associated type `impl Deref<Target = impl std::fmt::Display + ?Sized>` + found unit type `()` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/impl-trait/in-trait/nested-rpitit.rs b/tests/ui/impl-trait/in-trait/nested-rpitit.rs index 36020753726..65285e3a3cc 100644 --- a/tests/ui/impl-trait/in-trait/nested-rpitit.rs +++ b/tests/ui/impl-trait/in-trait/nested-rpitit.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/object-safety.rs b/tests/ui/impl-trait/in-trait/object-safety.rs index 016a0aaae4b..dd35b9a2d8a 100644 --- a/tests/ui/impl-trait/in-trait/object-safety.rs +++ b/tests/ui/impl-trait/in-trait/object-safety.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/object-safety.stderr b/tests/ui/impl-trait/in-trait/object-safety.stderr new file mode 100644 index 00000000000..4a3b3b11465 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/object-safety.stderr @@ -0,0 +1,49 @@ +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety.rs:17:33 + | +LL | let i = Box::new(42_u32) as Box<dyn Foo>; + | ^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety.rs:7:22 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn baz(&self) -> impl Debug; + | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type + = help: consider moving `baz` to another trait + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety.rs:20:13 + | +LL | let s = i.baz(); + | ^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety.rs:7:22 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn baz(&self) -> impl Debug; + | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type + = help: consider moving `baz` to another trait + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety.rs:17:13 + | +LL | let i = Box::new(42_u32) as Box<dyn Foo>; + | ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety.rs:7:22 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn baz(&self) -> impl Debug; + | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type + = help: consider moving `baz` to another trait + = note: required for the cast from `Box<u32>` to `Box<dyn Foo>` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs b/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs index c07ece15a83..3ac264e8eba 100644 --- a/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs +++ b/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.stderr b/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.stderr new file mode 100644 index 00000000000..15edda48340 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.stderr @@ -0,0 +1,17 @@ +error[E0308]: mismatched types + --> $DIR/opaque-in-impl-is-opaque.rs:17:19 + | +LL | fn bar(&self) -> impl Display { + | ------------ the found opaque type +... +LL | let x: &str = ().bar(); + | ---- ^^^^^^^^ expected `&str`, found opaque type + | | + | expected due to this + | + = note: expected reference `&str` + found opaque type `impl std::fmt::Display` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/impl-trait/in-trait/opaque-in-impl.rs b/tests/ui/impl-trait/in-trait/opaque-in-impl.rs index f48d9fa26c0..2e06629699a 100644 --- a/tests/ui/impl-trait/in-trait/opaque-in-impl.rs +++ b/tests/ui/impl-trait/in-trait/opaque-in-impl.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs index 65528f212e2..5d9a224ccd6 100644 --- a/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs +++ b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] trait Foo<T> { diff --git a/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.stderr b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.stderr new file mode 100644 index 00000000000..668fc6cbe7f --- /dev/null +++ b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.stderr @@ -0,0 +1,16 @@ +error[E0277]: the trait bound `impl Foo<u8>: Foo<char>` is not satisfied + --> $DIR/return-dont-satisfy-bounds.rs:10:34 + | +LL | fn foo<F2: Foo<u8>>(self) -> impl Foo<u8> { + | ^^^^^^^^^^^^ the trait `Foo<char>` is not implemented for `impl Foo<u8>` + | + = help: the trait `Foo<char>` is implemented for `Bar` +note: required by a bound in `Foo::{opaque#0}` + --> $DIR/return-dont-satisfy-bounds.rs:4:30 + | +LL | fn foo<F2>(self) -> impl Foo<T>; + | ^^^^^^ required by this bound in `Foo::{opaque#0}` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/in-trait/reveal.rs b/tests/ui/impl-trait/in-trait/reveal.rs index 1f42ec744db..d6ede1cc495 100644 --- a/tests/ui/impl-trait/in-trait/reveal.rs +++ b/tests/ui/impl-trait/in-trait/reveal.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/signature-mismatch.rs b/tests/ui/impl-trait/in-trait/signature-mismatch.rs index 23dd71acecb..1d63a6f3ce2 100644 --- a/tests/ui/impl-trait/in-trait/signature-mismatch.rs +++ b/tests/ui/impl-trait/in-trait/signature-mismatch.rs @@ -1,6 +1,4 @@ // edition:2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/signature-mismatch.stderr b/tests/ui/impl-trait/in-trait/signature-mismatch.stderr new file mode 100644 index 00000000000..616f1ac35a9 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/signature-mismatch.stderr @@ -0,0 +1,61 @@ +error: return type captures more lifetimes than trait definition + --> $DIR/signature-mismatch.rs:34:47 + | +LL | fn async_fn<'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a { + | -- this lifetime was captured ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: hidden type must only reference lifetimes captured by this impl trait + --> $DIR/signature-mismatch.rs:15:40 + | +LL | fn async_fn(&self, buff: &[u8]) -> impl Future<Output = Vec<u8>>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: hidden type inferred to be `impl Future<Output = Vec<u8>> + 'a` + +error: return type captures more lifetimes than trait definition + --> $DIR/signature-mismatch.rs:39:57 + | +LL | fn async_fn_early<'a: 'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a { + | -- this lifetime was captured ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: hidden type must only reference lifetimes captured by this impl trait + --> $DIR/signature-mismatch.rs:16:57 + | +LL | fn async_fn_early<'a: 'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: hidden type inferred to be `impl Future<Output = Vec<u8>> + 'a` + +error: return type captures more lifetimes than trait definition + --> $DIR/signature-mismatch.rs:47:10 + | +LL | fn async_fn_multiple<'a, 'b>( + | -- this lifetime was captured +... +LL | ) -> impl Future<Output = Vec<u8>> + Captures2<'a, 'b> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: hidden type must only reference lifetimes captured by this impl trait + --> $DIR/signature-mismatch.rs:18:12 + | +LL | -> impl Future<Output = Vec<u8>> + Captures<'a>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: hidden type inferred to be `impl Future<Output = Vec<u8>> + Captures2<'a, 'b>` + +error[E0309]: the parameter type `T` may not live long enough + --> $DIR/signature-mismatch.rs:56:10 + | +LL | ) -> impl Future<Output = Vec<u8>> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `impl Future<Output = Vec<u8>>` will meet its required lifetime bounds... + | +note: ...that is required by this bound + --> $DIR/signature-mismatch.rs:23:42 + | +LL | ) -> impl Future<Output = Vec<u8>> + 'a; + | ^^ +help: consider adding an explicit lifetime bound... + | +LL | fn async_fn_reduce_outlive<'a, 'b, T: 'a>( + | ++++ + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0309`. diff --git a/tests/ui/impl-trait/in-trait/specialization-broken.rs b/tests/ui/impl-trait/in-trait/specialization-broken.rs index 658d0709717..2fcffdf3f9a 100644 --- a/tests/ui/impl-trait/in-trait/specialization-broken.rs +++ b/tests/ui/impl-trait/in-trait/specialization-broken.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - // FIXME(compiler-errors): I'm not exactly sure if this is expected to pass or not. // But we fixed an ICE anyways. diff --git a/tests/ui/impl-trait/in-trait/specialization-broken.stderr b/tests/ui/impl-trait/in-trait/specialization-broken.stderr new file mode 100644 index 00000000000..dc621d6b8a8 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/specialization-broken.stderr @@ -0,0 +1,31 @@ +error[E0053]: method `bar` has an incompatible type for trait + --> $DIR/specialization-broken.rs:16:22 + | +LL | default impl<U> Foo for U + | - this type parameter +... +LL | fn bar(&self) -> U { + | ^ + | | + | expected associated type, found type parameter `U` + | help: change the output type to match the trait: `impl Sized` + | +note: type in trait + --> $DIR/specialization-broken.rs:9:22 + | +LL | fn bar(&self) -> impl Sized; + | ^^^^^^^^^^ + = note: expected signature `fn(&U) -> impl Sized` + found signature `fn(&U) -> U` + +error: method with return-position `impl Trait` in trait cannot be specialized + --> $DIR/specialization-broken.rs:16:5 + | +LL | fn bar(&self) -> U { + | ^^^^^^^^^^^^^^^^^^ + | + = note: specialization behaves in inconsistent and surprising ways with `#![feature(return_position_impl_trait_in_trait)]`, and for now is disallowed + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0053`. diff --git a/tests/ui/impl-trait/in-trait/specialization-substs-remap.rs b/tests/ui/impl-trait/in-trait/specialization-substs-remap.rs index dbc5d38f192..c9ee877db8e 100644 --- a/tests/ui/impl-trait/in-trait/specialization-substs-remap.rs +++ b/tests/ui/impl-trait/in-trait/specialization-substs-remap.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(specialization)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/impl-trait/in-trait/success.rs b/tests/ui/impl-trait/in-trait/success.rs index 0e69e0490c7..4cbe682b46f 100644 --- a/tests/ui/impl-trait/in-trait/success.rs +++ b/tests/ui/impl-trait/in-trait/success.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.rs b/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.rs index c2e394a1f66..0bbe50ea6fd 100644 --- a/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.rs +++ b/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.stderr b/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.stderr new file mode 100644 index 00000000000..8ff54cad951 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/trait-more-generics-than-impl.stderr @@ -0,0 +1,12 @@ +error[E0049]: method `bar` has 0 type parameters but its trait declaration has 1 type parameter + --> $DIR/trait-more-generics-than-impl.rs:11:11 + | +LL | fn bar<T>() -> impl Sized; + | - expected 1 type parameter +... +LL | fn bar() -> impl Sized {} + | ^ found 0 type parameters + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0049`. diff --git a/tests/ui/impl-trait/in-trait/unconstrained-lt.rs b/tests/ui/impl-trait/in-trait/unconstrained-lt.rs index f966be43a6e..07c8606f9fe 100644 --- a/tests/ui/impl-trait/in-trait/unconstrained-lt.rs +++ b/tests/ui/impl-trait/in-trait/unconstrained-lt.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] trait Foo { @@ -10,7 +7,9 @@ trait Foo { impl<'a, T> Foo for T { //~^ ERROR the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates - fn test() -> &'a () { &() } + fn test() -> &'a () { + &() + } } fn main() {} diff --git a/tests/ui/impl-trait/in-trait/unconstrained-lt.stderr b/tests/ui/impl-trait/in-trait/unconstrained-lt.stderr new file mode 100644 index 00000000000..cfce3556720 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/unconstrained-lt.stderr @@ -0,0 +1,9 @@ +error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates + --> $DIR/unconstrained-lt.rs:7:6 + | +LL | impl<'a, T> Foo for T { + | ^^ unconstrained lifetime parameter + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0207`. diff --git a/tests/ui/impl-trait/in-trait/variances-of-gat.rs b/tests/ui/impl-trait/in-trait/variances-of-gat.rs index 4008ece94da..0d19e1ff416 100644 --- a/tests/ui/impl-trait/in-trait/variances-of-gat.rs +++ b/tests/ui/impl-trait/in-trait/variances-of-gat.rs @@ -1,6 +1,4 @@ // check-pass -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/impl-trait/in-trait/wf-bounds.rs b/tests/ui/impl-trait/in-trait/wf-bounds.rs index f8c1e561d5c..ee873f94b26 100644 --- a/tests/ui/impl-trait/in-trait/wf-bounds.rs +++ b/tests/ui/impl-trait/in-trait/wf-bounds.rs @@ -1,6 +1,4 @@ // issue #101663 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/impl-trait/in-trait/wf-bounds.stderr b/tests/ui/impl-trait/in-trait/wf-bounds.stderr new file mode 100644 index 00000000000..beac6620911 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/wf-bounds.stderr @@ -0,0 +1,57 @@ +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/wf-bounds.rs:15:22 + | +LL | fn nya() -> impl Wf<Vec<[u8]>>; + | ^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` +note: required by a bound in `Vec` + --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL + +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/wf-bounds.rs:18:23 + | +LL | fn nya2() -> impl Wf<[u8]>; + | ^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` +note: required by a bound in `Wf` + --> $DIR/wf-bounds.rs:8:10 + | +LL | trait Wf<T> { + | ^ required by this bound in `Wf` +help: consider relaxing the implicit `Sized` restriction + | +LL | trait Wf<T: ?Sized> { + | ++++++++ + +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/wf-bounds.rs:21:44 + | +LL | fn nya3() -> impl Wf<(), Output = impl Wf<Vec<[u8]>>>; + | ^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` +note: required by a bound in `Vec` + --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL + +error[E0277]: `T` doesn't implement `std::fmt::Display` + --> $DIR/wf-bounds.rs:24:26 + | +LL | fn nya4<T>() -> impl Wf<NeedsDisplay<T>>; + | ^^^^^^^^^^^^^^^^^^^ `T` cannot be formatted with the default formatter + | + = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead +note: required by a bound in `NeedsDisplay` + --> $DIR/wf-bounds.rs:12:24 + | +LL | struct NeedsDisplay<T: Display>(T); + | ^^^^^^^ required by this bound in `NeedsDisplay` +help: consider restricting type parameter `T` + | +LL | fn nya4<T: std::fmt::Display>() -> impl Wf<NeedsDisplay<T>>; + | +++++++++++++++++++ + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/in-trait/where-clause.rs b/tests/ui/impl-trait/in-trait/where-clause.rs index 88d86e2b541..87bac519cf3 100644 --- a/tests/ui/impl-trait/in-trait/where-clause.rs +++ b/tests/ui/impl-trait/in-trait/where-clause.rs @@ -1,7 +1,5 @@ // check-pass // edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/lint/fn_null_check.rs b/tests/ui/lint/fn_null_check.rs new file mode 100644 index 00000000000..7f01f2c4283 --- /dev/null +++ b/tests/ui/lint/fn_null_check.rs @@ -0,0 +1,30 @@ +// check-pass + +fn main() { + let fn_ptr = main; + + if (fn_ptr as *mut ()).is_null() {} + //~^ WARN function pointers are not nullable + if (fn_ptr as *const u8).is_null() {} + //~^ WARN function pointers are not nullable + if (fn_ptr as *const ()) == std::ptr::null() {} + //~^ WARN function pointers are not nullable + if (fn_ptr as *mut ()) == std::ptr::null_mut() {} + //~^ WARN function pointers are not nullable + if (fn_ptr as *const ()) == (0 as *const ()) {} + //~^ WARN function pointers are not nullable + if <*const _>::is_null(fn_ptr as *const ()) {} + //~^ WARN function pointers are not nullable + if (fn_ptr as *mut fn() as *const fn() as *const ()).is_null() {} + //~^ WARN function pointers are not nullable + if (fn_ptr as fn() as *const ()).is_null() {} + //~^ WARN function pointers are not nullable + + const ZPTR: *const () = 0 as *const _; + const NOT_ZPTR: *const () = 1 as *const _; + + // unlike the uplifted clippy::fn_null_check lint we do + // not lint on them + if (fn_ptr as *const ()) == ZPTR {} + if (fn_ptr as *const ()) == NOT_ZPTR {} +} diff --git a/tests/ui/lint/fn_null_check.stderr b/tests/ui/lint/fn_null_check.stderr new file mode 100644 index 00000000000..0398c0da50f --- /dev/null +++ b/tests/ui/lint/fn_null_check.stderr @@ -0,0 +1,67 @@ +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:6:8 + | +LL | if (fn_ptr as *mut ()).is_null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + = note: `#[warn(incorrect_fn_null_checks)]` on by default + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:8:8 + | +LL | if (fn_ptr as *const u8).is_null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:10:8 + | +LL | if (fn_ptr as *const ()) == std::ptr::null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:12:8 + | +LL | if (fn_ptr as *mut ()) == std::ptr::null_mut() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:14:8 + | +LL | if (fn_ptr as *const ()) == (0 as *const ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:16:8 + | +LL | if <*const _>::is_null(fn_ptr as *const ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:18:8 + | +LL | if (fn_ptr as *mut fn() as *const fn() as *const ()).is_null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: function pointers are not nullable, so checking them for null will always return false + --> $DIR/fn_null_check.rs:20:8 + | +LL | if (fn_ptr as fn() as *const ()).is_null() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value + +warning: 8 warnings emitted + diff --git a/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.rs b/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.rs index ca5fa6df2a6..77227ebd834 100644 --- a/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.rs +++ b/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.rs @@ -1,6 +1,3 @@ -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - #![feature(return_position_impl_trait_in_trait)] #![allow(incomplete_features)] diff --git a/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.stderr b/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.stderr new file mode 100644 index 00000000000..c4371a0024c --- /dev/null +++ b/tests/ui/rfcs/rfc-1937-termination-trait/issue-103052-2.stderr @@ -0,0 +1,15 @@ +error[E0277]: the trait bound `Something: Termination` is not satisfied + --> $DIR/issue-103052-2.rs:12:22 + | +LL | fn main() -> Something { + | ^^^^^^^^^ the trait `Termination` is not implemented for `Something` + | +note: required by a bound in `Main::{opaque#0}` + --> $DIR/issue-103052-2.rs:6:27 + | +LL | fn main() -> impl std::process::Termination; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Main::{opaque#0}` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.rs b/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.rs index 3ea80173afa..709d8cdc762 100644 --- a/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.rs +++ b/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.rs @@ -1,5 +1,4 @@ -// check-fail -// FIXME(bryangarza): Change to check-pass when coinduction is supported for BikeshedIntrinsicFrom +// check-pass #![feature(transmutability)] mod assert { @@ -22,5 +21,5 @@ mod assert { fn main() { #[repr(C)] struct A(bool, &'static A); #[repr(C)] struct B(u8, &'static B); - assert::is_maybe_transmutable::<&'static A, &'static B>(); //~ ERROR overflow evaluating the requirement + assert::is_maybe_transmutable::<&'static A, &'static B>(); } diff --git a/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.stderr b/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.stderr deleted file mode 100644 index fae332e6af9..00000000000 --- a/tests/ui/transmutability/references/recursive-wrapper-types-bit-compatible.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error[E0275]: overflow evaluating the requirement `B: BikeshedIntrinsicFrom<A, assert::Context, Assume { alignment: true, lifetimes: false, safety: true, validity: false }>` - --> $DIR/recursive-wrapper-types-bit-compatible.rs:25:5 - | -LL | assert::is_maybe_transmutable::<&'static A, &'static B>(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: required by a bound in `is_maybe_transmutable` - --> $DIR/recursive-wrapper-types-bit-compatible.rs:11:14 - | -LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this function -LL | where -LL | Dst: BikeshedIntrinsicFrom<Src, Context, { - | ______________^ -LL | | Assume { -LL | | alignment: true, -LL | | lifetimes: false, -... | -LL | | } -LL | | }> - | |__________^ required by this bound in `is_maybe_transmutable` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/transmutability/references/recursive-wrapper-types.rs b/tests/ui/transmutability/references/recursive-wrapper-types.rs index 59d1ad84a5d..090c1fea6db 100644 --- a/tests/ui/transmutability/references/recursive-wrapper-types.rs +++ b/tests/ui/transmutability/references/recursive-wrapper-types.rs @@ -1,5 +1,4 @@ -// check-fail -// FIXME(bryangarza): Change to check-pass when coinduction is supported for BikeshedIntrinsicFrom +// check-pass #![feature(transmutability)] mod assert { @@ -22,6 +21,6 @@ mod assert { fn main() { #[repr(C)] struct A(&'static B); #[repr(C)] struct B(&'static A); - assert::is_maybe_transmutable::<&'static A, &'static B>(); //~ overflow evaluating the requirement + assert::is_maybe_transmutable::<&'static A, &'static B>(); assert::is_maybe_transmutable::<&'static B, &'static A>(); } diff --git a/tests/ui/transmutability/references/recursive-wrapper-types.stderr b/tests/ui/transmutability/references/recursive-wrapper-types.stderr deleted file mode 100644 index 35a60c22643..00000000000 --- a/tests/ui/transmutability/references/recursive-wrapper-types.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error[E0275]: overflow evaluating the requirement `A: BikeshedIntrinsicFrom<B, assert::Context, Assume { alignment: true, lifetimes: false, safety: true, validity: false }>` - --> $DIR/recursive-wrapper-types.rs:25:5 - | -LL | assert::is_maybe_transmutable::<&'static A, &'static B>(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: required by a bound in `is_maybe_transmutable` - --> $DIR/recursive-wrapper-types.rs:11:14 - | -LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this function -LL | where -LL | Dst: BikeshedIntrinsicFrom<Src, Context, { - | ______________^ -LL | | Assume { -LL | | alignment: true, -LL | | lifetimes: false, -... | -LL | | } -LL | | }> - | |__________^ required by this bound in `is_maybe_transmutable` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0275`. |