bjoernager/rust
bjoernager/rust
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Make elaborator generic

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This commit is contained in:
Michael Goulet 2023-04-06 23:11:19 +00:00
parent de74dab880
commit 758bedc104
21 changed files with 163 additions and 155 deletions
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4
compiler/rustc_trait_selection/src/traits/object_safety.rs
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@ -8,7 +8,7 @@
//! - not reference the erased type `Self` except for in this receiver;
//! - not have generic type parameters.
use super::{elaborate_predicates, elaborate_trait_ref};
use super::{elaborate, elaborate_trait_ref};
use crate::infer::TyCtxtInferExt;
use crate::traits::query::evaluate_obligation::InferCtxtExt;
@ -379,7 +379,7 @@ fn generics_require_sized_self(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
// Search for a predicate like `Self : Sized` amongst the trait bounds.
let predicates = tcx.predicates_of(def_id);
let predicates = predicates.instantiate_identity(tcx).predicates;
elaborate_predicates(tcx, predicates.into_iter()).any(|pred| match pred.kind().skip_binder() {
elaborate(tcx, predicates.into_iter()).any(|pred| match pred.kind().skip_binder() {
ty::PredicateKind::Clause(ty::Clause::Trait(ref trait_pred)) => {
trait_pred.def_id() == sized_def_id && trait_pred.self_ty().is_param(0)
}