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Use Item::expect_* and ImplItem::expect_* more

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Maybe Waffle
2023-04-17 17:16:49 +00:00
parent e49122fb1c
commit 9534541dd4
5 changed files with 11 additions and 22 deletions
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7
compiler/rustc_hir_analysis/src/coherence/builtin.rs
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@@ -74,10 +74,9 @@ fn visit_implementation_of_copy(tcx: TyCtxt<'_>, impl_did: LocalDefId) {
debug!("visit_implementation_of_copy: self_type={:?} (free)", self_type);
let span = match tcx.hir().expect_item(impl_did).kind {
ItemKind::Impl(hir::Impl { polarity: hir::ImplPolarity::Negative(_), .. }) => return,
ItemKind::Impl(impl_) => impl_.self_ty.span,
_ => bug!("expected Copy impl item"),
let span = match tcx.hir().expect_item(impl_did).expect_impl() {
hir::Impl { polarity: hir::ImplPolarity::Negative(_), .. } => return,
hir::Impl { self_ty, .. } => self_ty.span,
};
let cause = traits::ObligationCause::misc(span, impl_did);