bjoernager/rust
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remove impl<'tcx> ToPredicate<'tcx, Clause<'tcx>> for PolyProjectionPredicate<'tcx>

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This commit is contained in:
Ziru Niu 2023-09-05 07:21:38 +08:00
parent 2694b84fbf
commit 3c69a107d0
6 changed files with 23 additions and 26 deletions
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13
compiler/rustc_ty_utils/src/ty.rs
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@ -4,7 +4,7 @@ use rustc_hir::def::DefKind;
use rustc_index::bit_set::BitSet;
use rustc_middle::query::Providers;
use rustc_middle::ty::{
self, EarlyBinder, ToPredicate, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor,
self, EarlyBinder, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor,
};
use rustc_span::def_id::{DefId, LocalDefId, CRATE_DEF_ID};
use rustc_span::DUMMY_SP;
@ -220,13 +220,10 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for ImplTraitInTraitFinder<'_, 'tcx> {
// strategy, then just reinterpret the associated type like an opaque :^)
let default_ty = self.tcx.type_of(shifted_alias_ty.def_id).instantiate(self.tcx, shifted_alias_ty.args);
self.predicates.push(
ty::Binder::bind_with_vars(
ty::ProjectionPredicate { projection_ty: shifted_alias_ty, term: default_ty.into() },
self.bound_vars,
)
.to_predicate(self.tcx),
);
self.predicates.push(ty::Clause::from_projection_clause(self.tcx, ty::Binder::bind_with_vars(
ty::ProjectionPredicate { projection_ty: shifted_alias_ty, term: default_ty.into() },
self.bound_vars,
)));
// We walk the *un-shifted* alias ty, because we're tracking the de bruijn
// binder depth, and if we were to walk `shifted_alias_ty` instead, we'd