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Rollup merge of #134271 - adetaylor:feature-gate-test, r=wesleywiser

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Arbitrary self types v2: better feature gate test

Slight improvement to the test for the `arbitrary_self_types_pointers` feature gate, to ensure it's independent of the `arbitrary_self_types` gate.

Part of #44874

r? `@wesleywiser`
This commit is contained in:
Matthias Krüger 2024-12-14 04:09:36 +01:00 • committed by GitHub
commit 155dede638
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3 changed files with 42 additions and 3 deletions
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6
tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.stderr → tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.default.stderr
View file

@ -1,5 +1,5 @@
error[E0658]: `*const Bar` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:8:18
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:11:18
|
LL | fn foo(self: *const Self) {}
| ^^^^^^^^^^^
@ -10,7 +10,7 @@ LL | fn foo(self: *const Self) {}
= help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
error[E0658]: `*mut Bar` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:12:18
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:15:18
|
LL | fn bar(self: *mut Self) {}
| ^^^^^^^^^
@ -21,7 +21,7 @@ LL | fn bar(self: *mut Self) {}
= help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:2:18
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:5:18
|
LL | fn foo(self: *const Self);
| ^^^^^^^^^^^

36
tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.feature.stderr Normal file
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@ -0,0 +1,36 @@
error[E0658]: `*const Bar` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:11:18
|
LL | fn foo(self: *const Self) {}
| ^^^^^^^^^^^
|
= note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
= help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
error[E0658]: `*mut Bar` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:15:18
|
LL | fn bar(self: *mut Self) {}
| ^^^^^^^^^
|
= note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
= help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
--> $DIR/feature-gate-arbitrary-self-types-pointers.rs:5:18
|
LL | fn foo(self: *const Self);
| ^^^^^^^^^^^
|
= note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
= help: add `#![feature(arbitrary_self_types_pointers)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0658`.

3
tests/ui/feature-gates/feature-gate-arbitrary-self-types-pointers.rs
View file

@ -1,3 +1,6 @@
//@ revisions: default feature
#![cfg_attr(feature, feature(arbitrary_self_types))]
trait Foo {
fn foo(self: *const Self); //~ ERROR `*const Self` cannot be used as the type of `self`
}