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Rollup merge of #144448 - camsteffen:defaultness-impl-trait-only, r=compiler-errors

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Limit defaultness query to impl of trait

I separated this out from https://github.com/rust-lang/rust/pull/144386.
This commit is contained in:
Matthias Krüger
2025-07-26 15:28:02 +02:00
committed by GitHub
parent e2a5862d22 cf4d7938cf
commit d88aa06cd9
2 changed files with 7 additions and 4 deletions
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7
compiler/rustc_ty_utils/src/ty.rs
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@@ -80,8 +80,11 @@ fn sizedness_constraint_for_ty<'tcx>(
fn defaultness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Defaultness {
match tcx.hir_node_by_def_id(def_id) {
hir::Node::Item(hir::Item { kind: hir::ItemKind::Impl(impl_), .. }) => impl_.defaultness,
hir::Node::ImplItem(hir::ImplItem { defaultness, .. })
hir::Node::Item(hir::Item {
kind: hir::ItemKind::Impl(hir::Impl { defaultness, of_trait: Some(_), .. }),
..
})
| hir::Node::ImplItem(hir::ImplItem { defaultness, .. })
| hir::Node::TraitItem(hir::TraitItem { defaultness, .. }) => *defaultness,
node => {
bug!("`defaultness` called on {:?}", node);