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Simplify some impl source candidates

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This commit is contained in:
Michael Goulet 2023-06-16 00:43:16 +00:00
parent 1704481bfa
commit 9e68b6f505
6 changed files with 18 additions and 81 deletions
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8
compiler/rustc_trait_selection/src/traits/project.rs
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@ -1929,9 +1929,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>(
// why we special case object types.
false
}
super::ImplSource::AutoImpl(..)
| super::ImplSource::TraitUpcasting(_)
| super::ImplSource::ConstDestruct(_) => {
| super::ImplSource::TraitUpcasting(_) => {
// These traits have no associated types.
selcx.tcx().sess.delay_span_bug(
obligation.cause.span,
@ -2001,11 +1999,9 @@ fn confirm_select_candidate<'cx, 'tcx>(
super::ImplSource::FnPointer(data) => confirm_fn_pointer_candidate(selcx, obligation, data),
super::ImplSource::Builtin(data) => confirm_builtin_candidate(selcx, obligation, data),
super::ImplSource::Object(_)
| super::ImplSource::AutoImpl(..)
| super::ImplSource::Param(..)
| super::ImplSource::TraitUpcasting(_)
| super::ImplSource::TraitAlias(..)
| super::ImplSource::ConstDestruct(_) => {
| super::ImplSource::TraitAlias(..) => {
// we don't create Select candidates with this kind of resolution
span_bug!(
obligation.cause.span,