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Do not register Self: AutoTrait when confirming auto trait

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This commit is contained in:
Michael Goulet
2025-03-09 01:53:57 +00:00
parent dea1661cdb
commit 3129802f90
3 changed files with 4 additions and 43 deletions
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16
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
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@@ -463,18 +463,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
let cause = obligation.derived_cause(ObligationCauseCode::BuiltinDerived);
assert_eq!(obligation.predicate.polarity(), ty::PredicatePolarity::Positive);
let trait_ref =
self.infcx.enter_forall_and_leak_universe(obligation.predicate).trait_ref;
let trait_obligations = self.impl_or_trait_obligations(
&cause,
obligation.recursion_depth + 1,
obligation.param_env,
trait_def_id,
trait_ref.args,
obligation.predicate,
);
let mut obligations = self.collect_predicates_for_types(
let obligations = self.collect_predicates_for_types(
obligation.param_env,
cause,
obligation.recursion_depth + 1,
@@ -482,10 +472,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
nested,
);
// Adds the predicates from the trait. Note that this contains a `Self: Trait`
// predicate as usual. It won't have any effect since auto traits are coinductive.
obligations.extend(trait_obligations);
debug!(?obligations, "vtable_auto_impl");
obligations