diff options
Diffstat (limited to 'tests/ui/dyn-star')
| -rw-r--r-- | tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.current.stderr (renamed from tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.stderr) | 2 | ||||
| -rw-r--r-- | tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr | 15 | ||||
| -rw-r--r-- | tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs | 3 | ||||
| -rw-r--r-- | tests/ui/dyn-star/param-env-infer.current.stderr | 18 | ||||
| -rw-r--r-- | tests/ui/dyn-star/param-env-infer.next.stderr | 73 | ||||
| -rw-r--r-- | tests/ui/dyn-star/param-env-infer.rs | 17 |
6 files changed, 127 insertions, 1 deletions
diff --git a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.stderr b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.current.stderr index 8726fae79..ba42f619a 100644 --- a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.stderr +++ b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.current.stderr @@ -1,5 +1,5 @@ error[E0277]: `&T` needs to have the same ABI as a pointer - --> $DIR/check-size-at-cast-polymorphic-bad.rs:11:15 + --> $DIR/check-size-at-cast-polymorphic-bad.rs:14:15 | LL | dyn_debug(t); | ^ `&T` needs to be a pointer-like type diff --git a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr new file mode 100644 index 000000000..ba42f619a --- /dev/null +++ b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.next.stderr @@ -0,0 +1,15 @@ +error[E0277]: `&T` needs to have the same ABI as a pointer + --> $DIR/check-size-at-cast-polymorphic-bad.rs:14:15 + | +LL | dyn_debug(t); + | ^ `&T` needs to be a pointer-like type + | + = help: the trait `PointerLike` is not implemented for `&T` +help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement + | +LL | fn polymorphic<T: Debug + ?Sized>(t: &T) where &T: PointerLike { + | +++++++++++++++++++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs index 913c2faac..9846f8714 100644 --- a/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs +++ b/tests/ui/dyn-star/check-size-at-cast-polymorphic-bad.rs @@ -1,3 +1,6 @@ +// revisions: current next +//[next] compile-flags: -Ztrait-solver=next + #![feature(dyn_star)] #![allow(incomplete_features)] diff --git a/tests/ui/dyn-star/param-env-infer.current.stderr b/tests/ui/dyn-star/param-env-infer.current.stderr new file mode 100644 index 000000000..b3af7be79 --- /dev/null +++ b/tests/ui/dyn-star/param-env-infer.current.stderr @@ -0,0 +1,18 @@ +warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/param-env-infer.rs:5:12 + | +LL | #![feature(dyn_star, pointer_like_trait)] + | ^^^^^^^^ + | + = note: see issue #102425 <https://github.com/rust-lang/rust/issues/102425> for more information + = note: `#[warn(incomplete_features)]` on by default + +error[E0282]: type annotations needed + --> $DIR/param-env-infer.rs:13:10 + | +LL | t as _ + | ^ cannot infer type + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/dyn-star/param-env-infer.next.stderr b/tests/ui/dyn-star/param-env-infer.next.stderr new file mode 100644 index 000000000..64d76bb04 --- /dev/null +++ b/tests/ui/dyn-star/param-env-infer.next.stderr @@ -0,0 +1,73 @@ +warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/param-env-infer.rs:5:12 + | +LL | #![feature(dyn_star, pointer_like_trait)] + | ^^^^^^^^ + | + = note: see issue #102425 <https://github.com/rust-lang/rust/issues/102425> for more information + = note: `#[warn(incomplete_features)]` on by default + +error[E0391]: cycle detected when computing type of `make_dyn_star::{opaque#0}` + --> $DIR/param-env-infer.rs:11:60 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: ...which requires borrow-checking `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires promoting constants in MIR for `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires preparing `make_dyn_star` for borrow checking... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires unsafety-checking `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires building MIR for `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires match-checking `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires building THIR for `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires type-checking `make_dyn_star`... + --> $DIR/param-env-infer.rs:11:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: ...which requires computing layout of `make_dyn_star::{opaque#0}`... + = note: ...which requires normalizing `make_dyn_star::{opaque#0}`... + = note: ...which again requires computing type of `make_dyn_star::{opaque#0}`, completing the cycle +note: cycle used when checking item types in top-level module + --> $DIR/param-env-infer.rs:5:1 + | +LL | / #![feature(dyn_star, pointer_like_trait)] +LL | | +LL | | +LL | | use std::fmt::Debug; +... | +LL | | +LL | | fn main() {} + | |____________^ + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0391`. diff --git a/tests/ui/dyn-star/param-env-infer.rs b/tests/ui/dyn-star/param-env-infer.rs new file mode 100644 index 000000000..1fb16d768 --- /dev/null +++ b/tests/ui/dyn-star/param-env-infer.rs @@ -0,0 +1,17 @@ +// revisions: current next +//[next] compile-flags: -Ztrait-solver=next +// incremental + +#![feature(dyn_star, pointer_like_trait)] +//~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes + +use std::fmt::Debug; +use std::marker::PointerLike; + +fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + //[next]~^ ERROR cycle detected when computing type of `make_dyn_star::{opaque#0}` + t as _ + //[current]~^ ERROR type annotations needed +} + +fn main() {} |