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Improve `ineffective_unstable_trait_impl` error message.

This commit is contained in:
Mara Bos 2020-09-11 21:42:28 +02:00
parent 1c1bfba84a
commit 14cc17759d
3 changed files with 7 additions and 6 deletions
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8
compiler/rustc_passes/src/stability.rs
View File

@ -561,10 +561,10 @@ impl Visitor<'tcx> for Checker<'tcx> {
INEFFECTIVE_UNSTABLE_TRAIT_IMPL,
item.hir_id,
span,
|lint| lint.build(
"An `#[unstable]` annotation here has no effect. \
See issue #55436 <https://github.com/rust-lang/rust/issues/55436> for more information.",
).emit()
|lint| lint
.build("an `#[unstable]` annotation here has no effect")
.note("see issue #55436 <https://github.com/rust-lang/rust/issues/55436> for more information")
.emit()
);
}
}

2
src/test/ui/stability-attribute/stability-attribute-trait-impl.rs
View File

@ -22,7 +22,7 @@ impl StableTrait for UnstableType {}
impl UnstableTrait for StableType {}
#[unstable(feature = "x", issue = "none")]
//~^ ERROR An `#[unstable]` annotation here has no effect.
//~^ ERROR an `#[unstable]` annotation here has no effect [rustc::ineffective_unstable_trait_impl]
impl StableTrait for StableType {}
fn main() {}

3
src/test/ui/stability-attribute/stability-attribute-trait-impl.stderr
View File

@ -1,10 +1,11 @@
error: An `#[unstable]` annotation here has no effect. See issue #55436 <https://github.com/rust-lang/rust/issues/55436> for more information.
error: an `#[unstable]` annotation here has no effect
--> $DIR/stability-attribute-trait-impl.rs:24:1
|
LL | #[unstable(feature = "x", issue = "none")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[deny(rustc::ineffective_unstable_trait_impl)]` on by default
= note: see issue #55436 <https://github.com/rust-lang/rust/issues/55436> for more information
error: aborting due to previous error