bjoernager/rust
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Don't split up TreatProjections and TreatParams anymore

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This commit is contained in:
Michael Goulet 2023-03-20 15:48:32 +00:00
parent df7fd9995f
commit fc0cbe8340
7 changed files with 53 additions and 80 deletions
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28
compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs
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@ -3,7 +3,7 @@ use super::OverlapError;
use crate::traits;
use rustc_errors::ErrorGuaranteed;
use rustc_hir::def_id::DefId;
use rustc_middle::ty::fast_reject::{self, SimplifiedType, TreatParams, TreatProjections};
use rustc_middle::ty::fast_reject::{self, SimplifiedType, TreatParams};
use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt};
pub use rustc_middle::traits::specialization_graph::*;
@ -49,12 +49,9 @@ impl<'tcx> ChildrenExt<'tcx> for Children {
/// Insert an impl into this set of children without comparing to any existing impls.
fn insert_blindly(&mut self, tcx: TyCtxt<'tcx>, impl_def_id: DefId) {
let trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap().skip_binder();
if let Some(st) = fast_reject::simplify_type(
tcx,
trait_ref.self_ty(),
TreatParams::AsCandidateKey,
TreatProjections::AsCandidateKey,
) {
if let Some(st) =
fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::AsCandidateKey)
{
debug!("insert_blindly: impl_def_id={:?} st={:?}", impl_def_id, st);
self.non_blanket_impls.entry(st).or_default().push(impl_def_id)
} else {
@ -69,12 +66,9 @@ impl<'tcx> ChildrenExt<'tcx> for Children {
fn remove_existing(&mut self, tcx: TyCtxt<'tcx>, impl_def_id: DefId) {
let trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap().skip_binder();
let vec: &mut Vec<DefId>;
if let Some(st) = fast_reject::simplify_type(
tcx,
trait_ref.self_ty(),
TreatParams::AsCandidateKey,
TreatProjections::AsCandidateKey,
) {
if let Some(st) =
fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::AsCandidateKey)
{
debug!("remove_existing: impl_def_id={:?} st={:?}", impl_def_id, st);
vec = self.non_blanket_impls.get_mut(&st).unwrap();
} else {
@ -310,12 +304,8 @@ impl<'tcx> GraphExt<'tcx> for Graph {
let mut parent = trait_def_id;
let mut last_lint = None;
let simplified = fast_reject::simplify_type(
tcx,
trait_ref.self_ty(),
TreatParams::AsCandidateKey,
TreatProjections::AsCandidateKey,
);
let simplified =
fast_reject::simplify_type(tcx, trait_ref.self_ty(), TreatParams::AsCandidateKey);
// Descend the specialization tree, where `parent` is the current parent node.
loop {