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Ignore Self in bounds check for associated types with Self:Sized

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This commit is contained in:
Michael Goulet 2025-02-15 20:38:08 +00:00
parent 608e228ca9
commit 309e371f7b
2 changed files with 17 additions and 0 deletions
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3
compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
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@ -187,7 +187,10 @@ fn predicates_reference_self(
fn bounds_reference_self(tcx: TyCtxt<'_>, trait_def_id: DefId) -> SmallVec<[Span; 1]> {
tcx.associated_items(trait_def_id)
.in_definition_order()
// We're only looking at associated type bounds
.filter(|item| item.kind == ty::AssocKind::Type)
// Ignore GATs with `Self: Sized`
.filter(|item| !tcx.generics_require_sized_self(item.def_id))
.flat_map(|item| tcx.explicit_item_bounds(item.def_id).iter_identity_copied())
.filter_map(|(clause, sp)| {
// Item bounds *can* have self projections, since they never get