bjoernager/rust
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args~~_ref~~_may_unify

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This commit is contained in:
lcnr 2023-11-13 11:27:15 +00:00
parent c225c45bce
commit 42945fc1e2
5 changed files with 8 additions and 10 deletions
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2
compiler/rustc_trait_selection/src/solve/project_goals/mod.rs
View file

@ -160,7 +160,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> {
let goal_trait_ref = goal.predicate.projection_ty.trait_ref(tcx);
let impl_trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap();
let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::ForLookup };
if !drcx.args_refs_may_unify(goal_trait_ref.args, impl_trait_ref.skip_binder().args) {
if !drcx.args_may_unify(goal_trait_ref.args, impl_trait_ref.skip_binder().args) {
return Err(NoSolution);
}

4
compiler/rustc_trait_selection/src/solve/trait_goals.rs
View file

@ -43,9 +43,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> {
let impl_trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap();
let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::ForLookup };
if !drcx
.args_refs_may_unify(goal.predicate.trait_ref.args, impl_trait_ref.skip_binder().args)
{
if !drcx.args_may_unify(goal.predicate.trait_ref.args, impl_trait_ref.skip_binder().args) {
return Err(NoSolution);
}

2
compiler/rustc_trait_selection/src/traits/coherence.rs
View file

@ -100,7 +100,7 @@ pub fn overlapping_impls(
let impl1_ref = tcx.impl_trait_ref(impl1_def_id);
let impl2_ref = tcx.impl_trait_ref(impl2_def_id);
let may_overlap = match (impl1_ref, impl2_ref) {
(Some(a), Some(b)) => drcx.args_refs_may_unify(a.skip_binder().args, b.skip_binder().args),
(Some(a), Some(b)) => drcx.args_may_unify(a.skip_binder().args, b.skip_binder().args),
(None, None) => {
let self_ty1 = tcx.type_of(impl1_def_id).skip_binder();
let self_ty2 = tcx.type_of(impl2_def_id).skip_binder();

2
compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs
View file

@ -375,7 +375,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
// consider a "quick reject". This avoids creating more types
// and so forth that we need to.
let impl_trait_ref = self.tcx().impl_trait_ref(impl_def_id).unwrap();
if !drcx.args_refs_may_unify(obligation_args, impl_trait_ref.skip_binder().args) {
if !drcx.args_may_unify(obligation_args, impl_trait_ref.skip_binder().args) {
return;
}
if self.reject_fn_ptr_impls(