bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

move Constness into TraitPredicate

Browse source
This commit is contained in:
Deadbeef 2021-07-22 21:56:07 +08:00
parent 04c9901a08
commit 32390a0df6
No known key found for this signature in database
GPG key ID: 027DF9338862ADDD
49 changed files with 157 additions and 124 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/rustc_trait_selection/src/traits/select/mod.rs
View file

@ -42,7 +42,7 @@ use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_middle::ty::relate::TypeRelation;
use rustc_middle::ty::subst::{GenericArgKind, Subst, SubstsRef};
use rustc_middle::ty::{self, PolyProjectionPredicate, ToPolyTraitRef, ToPredicate};
use rustc_middle::ty::{Ty, TyCtxt, TypeFoldable, WithConstness};
use rustc_middle::ty::{Ty, TyCtxt, TypeFoldable};
use rustc_span::symbol::sym;
use std::cell::{Cell, RefCell};
@ -454,7 +454,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
let result = ensure_sufficient_stack(|| {
let bound_predicate = obligation.predicate.kind();
match bound_predicate.skip_binder() {
ty::PredicateKind::Trait(t, _) => {
ty::PredicateKind::Trait(t) => {
let t = bound_predicate.rebind(t);
debug_assert!(!t.has_escaping_bound_vars());
let obligation = obligation.with(t);
@ -762,8 +762,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
// if the regions match exactly.
let cycle = stack.iter().skip(1).take_while(|s| s.depth >= cycle_depth);
let tcx = self.tcx();
let cycle =
cycle.map(|stack| stack.obligation.predicate.without_const().to_predicate(tcx));
let cycle = cycle.map(|stack| stack.obligation.predicate.to_predicate(tcx));
if self.coinductive_match(cycle) {
debug!("evaluate_stack --> recursive, coinductive");
Some(EvaluatedToOk)
@ -873,7 +872,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
fn coinductive_predicate(&self, predicate: ty::Predicate<'tcx>) -> bool {
let result = match predicate.kind().skip_binder() {
ty::PredicateKind::Trait(ref data, _) => self.tcx().trait_is_auto(data.def_id()),
ty::PredicateKind::Trait(ref data) => self.tcx().trait_is_auto(data.def_id()),
_ => false,
};
debug!(?predicate, ?result, "coinductive_predicate");
@ -1213,7 +1212,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
.enumerate()
.filter_map(|(idx, bound)| {
let bound_predicate = bound.kind();
if let ty::PredicateKind::Trait(pred, _) = bound_predicate.skip_binder() {
if let ty::PredicateKind::Trait(pred) = bound_predicate.skip_binder() {
let bound = bound_predicate.rebind(pred.trait_ref);
if self.infcx.probe(|_| {
match self.match_normalize_trait_ref(