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Rollup merge of #142693 - fmease:unbound-bettering, r=compiler-errors

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More robustly deal with relaxed bounds and improve their diagnostics

Scaffolding for https://github.com/rust-lang/rust/issues/135229 (CC https://github.com/rust-lang/rust/pull/135331)

Fixes https://github.com/rust-lang/rust/issues/136944 (6th commit).
Fixes https://github.com/rust-lang/rust/issues/142718 (8th commit).
This commit is contained in:
Matthias Krüger
2025-07-18 19:14:43 +02:00
committed by GitHub
parent b3827e4f37 82a02aefe0
commit f38891e697
65 changed files with 772 additions and 819 deletions
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14
compiler/rustc_hir_analysis/src/errors.rs
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@@ -279,13 +279,6 @@ pub(crate) struct CopyImplOnTypeWithDtor {
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(hir_analysis_multiple_relaxed_default_bounds, code = E0203)]
pub(crate) struct MultipleRelaxedDefaultBounds {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(hir_analysis_copy_impl_on_non_adt, code = E0206)]
pub(crate) struct CopyImplOnNonAdt {
@@ -319,13 +312,6 @@ pub(crate) struct TraitObjectDeclaredWithNoTraits {
pub trait_alias_span: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(hir_analysis_pointee_sized_trait_object)]
pub(crate) struct PointeeSizedTraitObject {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(hir_analysis_ambiguous_lifetime_bound, code = E0227)]
pub(crate) struct AmbiguousLifetimeBound {