bjoernager/rust
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move 2 candidates into builtin candidate

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This commit is contained in:
lcnr 2022-11-22 15:46:01 +01:00
parent 41e0363055
commit 31431ccda9
8 changed files with 162 additions and 244 deletions
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16
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -1569,20 +1569,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
(TransmutabilityCandidate, _) | (_, TransmutabilityCandidate) => false,
// (*)
(
BuiltinCandidate { has_nested: false }
| DiscriminantKindCandidate
| PointeeCandidate
| ConstDestructCandidate(_),
_,
) => true,
(
_,
BuiltinCandidate { has_nested: false }
| DiscriminantKindCandidate
| PointeeCandidate
| ConstDestructCandidate(_),
) => false,
(BuiltinCandidate { has_nested: false } | ConstDestructCandidate(_), _) => true,
(_, BuiltinCandidate { has_nested: false } | ConstDestructCandidate(_)) => false,
(ParamCandidate(other), ParamCandidate(victim)) => {
let same_except_bound_vars = other.skip_binder().trait_ref