diff options
Diffstat (limited to 'tests/ui/impl-trait/auto-trait-leak.stderr')
| -rw-r--r-- | tests/ui/impl-trait/auto-trait-leak.stderr | 151 |
1 files changed, 82 insertions, 69 deletions
diff --git a/tests/ui/impl-trait/auto-trait-leak.stderr b/tests/ui/impl-trait/auto-trait-leak.stderr index aa4ee75bb..92a9763bc 100644 --- a/tests/ui/impl-trait/auto-trait-leak.stderr +++ b/tests/ui/impl-trait/auto-trait-leak.stderr @@ -1,44 +1,9 @@ error[E0391]: cycle detected when computing type of `cycle1::{opaque#0}` - --> $DIR/auto-trait-leak.rs:12:16 + --> $DIR/auto-trait-leak.rs:11:16 | LL | fn cycle1() -> impl Clone { | ^^^^^^^^^^ | -note: ...which requires borrow-checking `cycle1`... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires promoting constants in MIR for `cycle1`... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires preparing `cycle1` for borrow checking... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires unsafety-checking `cycle1`... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires building MIR for `cycle1`... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires match-checking `cycle1`... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires building THIR for `cycle1`... - --> $DIR/auto-trait-leak.rs:12:1 - | -LL | fn cycle1() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ note: ...which requires type-checking `cycle1`... --> $DIR/auto-trait-leak.rs:14:5 | @@ -46,51 +11,51 @@ LL | send(cycle2().clone()); | ^^^^ = note: ...which requires evaluating trait selection obligation `cycle2::{opaque#0}: core::marker::Send`... note: ...which requires computing type of `cycle2::{opaque#0}`... - --> $DIR/auto-trait-leak.rs:19:16 + --> $DIR/auto-trait-leak.rs:20:16 | LL | fn cycle2() -> impl Clone { | ^^^^^^^^^^ -note: ...which requires borrow-checking `cycle2`... - --> $DIR/auto-trait-leak.rs:19:1 +note: ...which requires type-checking `cycle2`... + --> $DIR/auto-trait-leak.rs:21:5 | -LL | fn cycle2() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires promoting constants in MIR for `cycle2`... - --> $DIR/auto-trait-leak.rs:19:1 +LL | send(cycle1().clone()); + | ^^^^ + = note: ...which requires evaluating trait selection obligation `cycle1::{opaque#0}: core::marker::Send`... + = note: ...which again requires computing type of `cycle1::{opaque#0}`, completing the cycle +note: cycle used when checking item types in top-level module + --> $DIR/auto-trait-leak.rs:1:1 | -LL | fn cycle2() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires preparing `cycle2` for borrow checking... - --> $DIR/auto-trait-leak.rs:19:1 +LL | / use std::cell::Cell; +LL | | use std::rc::Rc; +LL | | +LL | | fn send<T: Send>(_: T) {} +... | +LL | | Rc::new(String::from("foo")) +LL | | } + | |_^ + +error[E0391]: cycle detected when computing type of `cycle1::{opaque#0}` + --> $DIR/auto-trait-leak.rs:11:16 | -LL | fn cycle2() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires unsafety-checking `cycle2`... - --> $DIR/auto-trait-leak.rs:19:1 +LL | fn cycle1() -> impl Clone { + | ^^^^^^^^^^ | -LL | fn cycle2() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires building MIR for `cycle2`... - --> $DIR/auto-trait-leak.rs:19:1 +note: ...which requires type-checking `cycle1`... + --> $DIR/auto-trait-leak.rs:14:5 | -LL | fn cycle2() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires match-checking `cycle2`... - --> $DIR/auto-trait-leak.rs:19:1 +LL | send(cycle2().clone()); + | ^^^^ + = note: ...which requires evaluating trait selection obligation `cycle2::{opaque#0}: core::marker::Send`... +note: ...which requires computing type of `cycle2::{opaque#0}`... + --> $DIR/auto-trait-leak.rs:20:16 | LL | fn cycle2() -> impl Clone { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires building THIR for `cycle2`... - --> $DIR/auto-trait-leak.rs:19:1 + | ^^^^^^^^^^ +note: ...which requires type-checking `cycle2`... + --> $DIR/auto-trait-leak.rs:20:1 | LL | fn cycle2() -> impl Clone { | ^^^^^^^^^^^^^^^^^^^^^^^^^ -note: ...which requires type-checking `cycle2`... - --> $DIR/auto-trait-leak.rs:20:5 - | -LL | send(cycle1().clone()); - | ^^^^ - = note: ...which requires evaluating trait selection obligation `cycle1::{opaque#0}: core::marker::Send`... = note: ...which again requires computing type of `cycle1::{opaque#0}`, completing the cycle note: cycle used when checking item types in top-level module --> $DIR/auto-trait-leak.rs:1:1 @@ -104,6 +69,54 @@ LL | | Rc::new(String::from("foo")) LL | | } | |_^ -error: aborting due to previous error +error: cannot check whether the hidden type of opaque type satisfies auto traits + --> $DIR/auto-trait-leak.rs:21:10 + | +LL | send(cycle1().clone()); + | ---- ^^^^^^^^^^^^^^^^ + | | + | required by a bound introduced by this call + | +note: opaque type is declared here + --> $DIR/auto-trait-leak.rs:11:16 + | +LL | fn cycle1() -> impl Clone { + | ^^^^^^^^^^ +note: this item depends on auto traits of the hidden type, but may also be registering the hidden type. This is not supported right now. You can try moving the opaque type and the item that actually registers a hidden type into a new submodule + --> $DIR/auto-trait-leak.rs:20:4 + | +LL | fn cycle2() -> impl Clone { + | ^^^^^^ +note: required by a bound in `send` + --> $DIR/auto-trait-leak.rs:4:12 + | +LL | fn send<T: Send>(_: T) {} + | ^^^^ required by this bound in `send` + +error: cannot check whether the hidden type of opaque type satisfies auto traits + --> $DIR/auto-trait-leak.rs:14:10 + | +LL | send(cycle2().clone()); + | ---- ^^^^^^^^^^^^^^^^ + | | + | required by a bound introduced by this call + | +note: opaque type is declared here + --> $DIR/auto-trait-leak.rs:20:16 + | +LL | fn cycle2() -> impl Clone { + | ^^^^^^^^^^ +note: this item depends on auto traits of the hidden type, but may also be registering the hidden type. This is not supported right now. You can try moving the opaque type and the item that actually registers a hidden type into a new submodule + --> $DIR/auto-trait-leak.rs:11:4 + | +LL | fn cycle1() -> impl Clone { + | ^^^^^^ +note: required by a bound in `send` + --> $DIR/auto-trait-leak.rs:4:12 + | +LL | fn send<T: Send>(_: T) {} + | ^^^^ required by this bound in `send` + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0391`. |