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Remove unhelpful hint from trivial bound errors #153034

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Merged
rust-bors merged 1 commit into from
Mar 3, 2026
Merged

Remove unhelpful hint from trivial bound errors #153034

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1 change: 0 additions & 1 deletion compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3845,7 +3845,6 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
err.span_note(assoc_span, msg);
}
ObligationCauseCode::TrivialBound => {
err.help("see issue #48214");
tcx.disabled_nightly_features(err, [(String::new(), sym::trivial_bounds)]);
}
ObligationCauseCode::OpaqueReturnType(expr_info) => {
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2 changes: 0 additions & 2 deletions tests/ui/const-generics/issues/issue-67185-2.stderr
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Expand Up @@ -11,7 +11,6 @@ LL | impl Bar for [u16; 4] {}
| ^^^^^^^^^^^^^^^^^^^^^ `[u16; 4]`
LL | impl Bar for [[u16; 3]; 3] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `[[u16; 3]; 3]`
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -30,7 +29,6 @@ LL | impl Bar for [u16; 4] {}
| ^^^^^^^^^^^^^^^^^^^^^ `[u16; 4]`
LL | impl Bar for [[u16; 3]; 3] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `[[u16; 3]; 3]`
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
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1 change: 0 additions & 1 deletion tests/ui/cross/cross-fn-cache-hole.stderr
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Expand Up @@ -9,7 +9,6 @@ help: this trait has no implementations, consider adding one
|
LL | trait Bar<X> { }
| ^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
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1 change: 0 additions & 1 deletion tests/ui/delegation/generics/impl-to-trait-method.stderr
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Expand Up @@ -14,7 +14,6 @@ help: this trait has no implementations, consider adding one
|
LL | trait Trait0 {}
| ^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
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11 changes: 0 additions & 11 deletions tests/ui/feature-gates/feature-gate-trivial_bounds.stderr
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Expand Up @@ -9,7 +9,6 @@ help: the trait `Foo` is implemented for `()`
|
LL | impl Foo for () where i32: Foo {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -26,7 +25,6 @@ help: the trait `Foo` is implemented for `()`
|
LL | impl Foo for () where i32: Foo {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -43,7 +41,6 @@ help: the trait `Foo` is implemented for `()`
|
LL | impl Foo for () where i32: Foo {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -60,7 +57,6 @@ help: the trait `Foo` is implemented for `()`
|
LL | impl Foo for () where i32: Foo {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -77,7 +73,6 @@ help: the trait `Foo` is implemented for `()`
|
LL | impl Foo for () where i32: Foo {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -94,7 +89,6 @@ help: the trait `Foo` is implemented for `()`
|
LL | impl Foo for () where i32: Foo {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -106,7 +100,6 @@ error[E0277]: the trait bound `String: Neg` is not satisfied
LL | fn use_op(s: String) -> String where String: ::std::ops::Neg<Output=String> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Neg` is not implemented for `String`
|
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -119,7 +112,6 @@ LL | fn use_for() where i32: Iterator {
| ^^^^^^^^^^^^^ `i32` is not an iterator
|
= help: the trait `Iterator` is not implemented for `i32`
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -132,7 +124,6 @@ LL | struct TwoStrs(str, str) where str: Sized;
| ^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -150,7 +141,6 @@ note: required because it appears within the type `Dst<(dyn A + 'static)>`
|
LL | struct Dst<X: ?Sized> {
| ^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -163,7 +153,6 @@ LL | fn return_str() -> str where str: Sized {
| ^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
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2 changes: 0 additions & 2 deletions tests/ui/impl-trait/in-trait/synthetic-hir-has-parent.stderr
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Expand Up @@ -4,7 +4,6 @@ error[E0277]: the trait bound `String: Copy` is not satisfied
LL | String: Copy;
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
|
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand All @@ -16,7 +15,6 @@ error[E0277]: the trait bound `String: Copy` is not satisfied
LL | fn demo() -> impl Foo
| ^^^^^^^^ the trait `Copy` is not implemented for `String`
|
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
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2 changes: 0 additions & 2 deletions tests/ui/parser/impl-item-type-no-body-semantic-fail.stderr
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Expand Up @@ -88,7 +88,6 @@ error[E0277]: the trait bound `X: Eq` is not satisfied
LL | type W: Ord where Self: Eq;
| ^^^^^^^^ the trait `Eq` is not implemented for `X`
|
= help: see issue #48214
help: consider annotating `X` with `#[derive(Eq)]`
|
LL + #[derive(Eq)]
Expand All @@ -105,7 +104,6 @@ error[E0277]: the trait bound `X: Eq` is not satisfied
LL | type W where Self: Eq;
| ^^^^^^^^ the trait `Eq` is not implemented for `X`
|
= help: see issue #48214
help: consider annotating `X` with `#[derive(Eq)]`
|
LL + #[derive(Eq)]
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1 change: 0 additions & 1 deletion tests/ui/trait-bounds/super-assoc-mismatch.stderr
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Expand Up @@ -77,7 +77,6 @@ help: this trait has no implementations, consider adding one
|
LL | trait Sub: Super<Assoc = u16> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
Expand Down
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