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Move "auto trait leak" impl-trait cycle dependency test to ui

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This commit is contained in:
Esteban Küber 2017-11-26 12:32:30 -08:00
parent 71da1c21eb
commit aabb604313
2 changed files with 70 additions and 0 deletions
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src/test/compile-fail/impl-trait/auto-trait-leak.rs → src/test/ui/impl-trait/auto-trait-leak.rs
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src/test/ui/impl-trait/auto-trait-leak.stderr Normal file
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error[E0277]: the trait bound `std::rc::Rc<std::cell::Cell<i32>>: std::marker::Send` is not satisfied in `impl std::ops::Fn<(i32,)>`
--> $DIR/auto-trait-leak.rs:27:5
|
27 | send(before());
| ^^^^ `std::rc::Rc<std::cell::Cell<i32>>` cannot be sent between threads safely
|
= help: within `impl std::ops::Fn<(i32,)>`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<std::cell::Cell<i32>>`
= note: required because it appears within the type `[closure@$DIR/auto-trait-leak.rs:21:5: 21:22 p:std::rc::Rc<std::cell::Cell<i32>>]`
= note: required because it appears within the type `impl std::ops::Fn<(i32,)>`
= note: required by `send`
error[E0277]: the trait bound `std::rc::Rc<std::cell::Cell<i32>>: std::marker::Send` is not satisfied in `impl std::ops::Fn<(i32,)>`
--> $DIR/auto-trait-leak.rs:34:5
|
34 | send(after());
| ^^^^ `std::rc::Rc<std::cell::Cell<i32>>` cannot be sent between threads safely
|
= help: within `impl std::ops::Fn<(i32,)>`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<std::cell::Cell<i32>>`
= note: required because it appears within the type `[closure@$DIR/auto-trait-leak.rs:46:5: 46:22 p:std::rc::Rc<std::cell::Cell<i32>>]`
= note: required because it appears within the type `impl std::ops::Fn<(i32,)>`
= note: required by `send`
error[E0391]: unsupported cyclic reference between types/traits detected
--> $DIR/auto-trait-leak.rs:52:1
|
52 | / fn cycle1() -> impl Clone {
53 | | //~^ ERROR unsupported cyclic reference between types/traits detected
54 | | //~| cyclic reference
55 | | //~| NOTE the cycle begins when processing `cycle1`...
... |
60 | | Rc::new(Cell::new(5))
61 | | }
| |_^ cyclic reference
|
note: the cycle begins when processing `cycle1`...
--> $DIR/auto-trait-leak.rs:52:1
|
52 | / fn cycle1() -> impl Clone {
53 | | //~^ ERROR unsupported cyclic reference between types/traits detected
54 | | //~| cyclic reference
55 | | //~| NOTE the cycle begins when processing `cycle1`...
... |
60 | | Rc::new(Cell::new(5))
61 | | }
| |_^
note: ...which then requires processing `cycle2::{{impl-Trait}}`...
--> $DIR/auto-trait-leak.rs:63:16
|
63 | fn cycle2() -> impl Clone {
| ^^^^^^^^^^
note: ...which then requires processing `cycle2`...
--> $DIR/auto-trait-leak.rs:63:1
|
63 | / fn cycle2() -> impl Clone {
64 | | //~^ NOTE ...which then requires processing `cycle2::{{impl-Trait}}`...
65 | | //~| NOTE ...which then requires processing `cycle2`...
66 | | send(cycle1().clone());
67 | |
68 | | Rc::new(String::from("foo"))
69 | | }
| |_^
note: ...which then requires processing `cycle1::{{impl-Trait}}`...
--> $DIR/auto-trait-leak.rs:52:16
|
52 | fn cycle1() -> impl Clone {
| ^^^^^^^^^^
= note: ...which then again requires processing `cycle1`, completing the cycle.
error: aborting due to 3 previous errors