From 5363f350887b1e5b5dd21a86f88c8af9d7fea6da Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:25 +0200 Subject: Merging upstream version 1.67.1+dfsg1. Signed-off-by: Daniel Baumann --- .../src/infer/canonical/canonicalizer.rs | 12 +++++------ compiler/rustc_infer/src/infer/canonical/mod.rs | 18 +++++++--------- .../src/infer/canonical/query_response.rs | 25 +++++++--------------- 3 files changed, 22 insertions(+), 33 deletions(-) (limited to 'compiler/rustc_infer/src/infer/canonical') diff --git a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs index a3ff70363..3dc0d60b1 100644 --- a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs +++ b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs @@ -495,7 +495,7 @@ impl<'cx, 'tcx> TypeFolder<'tcx> for Canonicalizer<'cx, 'tcx> { } ty::ConstKind::Bound(debruijn, _) => { if debruijn >= self.binder_index { - bug!("escaping bound type during canonicalization") + bug!("escaping bound const during canonicalization") } else { return ct; } @@ -738,7 +738,7 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { r: ty::Region<'tcx>, ) -> ty::Region<'tcx> { let var = self.canonical_var(info, r.into()); - let br = ty::BoundRegion { var, kind: ty::BrAnon(var.as_u32()) }; + let br = ty::BoundRegion { var, kind: ty::BrAnon(var.as_u32(), None) }; let region = ty::ReLateBound(self.binder_index, br); self.tcx().mk_region(region) } @@ -773,10 +773,10 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { self.fold_const(bound_to) } else { let var = self.canonical_var(info, const_var.into()); - self.tcx().mk_const(ty::ConstS { - kind: ty::ConstKind::Bound(self.binder_index, var), - ty: self.fold_ty(const_var.ty()), - }) + self.tcx().mk_const( + ty::ConstKind::Bound(self.binder_index, var), + self.fold_ty(const_var.ty()), + ) } } } diff --git a/compiler/rustc_infer/src/infer/canonical/mod.rs b/compiler/rustc_infer/src/infer/canonical/mod.rs index 06ca2534d..e59715b70 100644 --- a/compiler/rustc_infer/src/infer/canonical/mod.rs +++ b/compiler/rustc_infer/src/infer/canonical/mod.rs @@ -41,9 +41,9 @@ impl<'tcx> InferCtxt<'tcx> { /// inference variables and applies it to the canonical value. /// Returns both the instantiated result *and* the substitution S. /// - /// This is only meant to be invoked as part of constructing an + /// This can be invoked as part of constructing an /// inference context at the start of a query (see - /// `InferCtxtBuilder::enter_with_canonical`). It basically + /// `InferCtxtBuilder::build_with_canonical`). It basically /// brings the canonical value "into scope" within your new infcx. /// /// At the end of processing, the substitution S (once @@ -63,8 +63,11 @@ impl<'tcx> InferCtxt<'tcx> { // in them, so this code has no effect, but it is looking // forward to the day when we *do* want to carry universes // through into queries. - let universes: IndexVec = std::iter::once(ty::UniverseIndex::ROOT) - .chain((0..canonical.max_universe.as_u32()).map(|_| self.create_next_universe())) + // + // Instantiate the root-universe content into the current universe, + // and create fresh universes for the higher universes. + let universes: IndexVec = std::iter::once(self.universe()) + .chain((1..=canonical.max_universe.as_u32()).map(|_| self.create_next_universe())) .collect(); let canonical_inference_vars = @@ -147,12 +150,7 @@ impl<'tcx> InferCtxt<'tcx> { CanonicalVarKind::PlaceholderConst(ty::PlaceholderConst { universe, name }, ty) => { let universe_mapped = universe_map(universe); let placeholder_mapped = ty::PlaceholderConst { universe: universe_mapped, name }; - self.tcx - .mk_const(ty::ConstS { - kind: ty::ConstKind::Placeholder(placeholder_mapped), - ty, - }) - .into() + self.tcx.mk_const(placeholder_mapped, ty).into() } } } diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index a299a3e57..996b1c40e 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -23,11 +23,10 @@ use rustc_index::vec::Idx; use rustc_index::vec::IndexVec; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::error::TypeError; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::subst::{GenericArg, GenericArgKind}; -use rustc_middle::ty::{self, BoundVar, Const, ToPredicate, Ty, TyCtxt}; +use rustc_middle::ty::{self, BoundVar, ToPredicate, Ty, TyCtxt}; use rustc_span::Span; use std::fmt::Debug; use std::iter; @@ -570,10 +569,10 @@ impl<'tcx> InferCtxt<'tcx> { let atom = match k1.unpack() { GenericArgKind::Lifetime(r1) => { - ty::PredicateKind::RegionOutlives(ty::OutlivesPredicate(r1, r2)) + ty::PredicateKind::Clause(ty::Clause::RegionOutlives(ty::OutlivesPredicate(r1, r2))) } GenericArgKind::Type(t1) => { - ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate(t1, r2)) + ty::PredicateKind::Clause(ty::Clause::TypeOutlives(ty::OutlivesPredicate(t1, r2))) } GenericArgKind::Const(..) => { // Consts cannot outlive one another, so we don't expect to @@ -581,9 +580,9 @@ impl<'tcx> InferCtxt<'tcx> { span_bug!(cause.span, "unexpected const outlives {:?}", predicate); } }; - let predicate = predicate.0.rebind(atom).to_predicate(self.tcx); + let predicate = predicate.0.rebind(atom); - Obligation::new(cause, param_env, predicate) + Obligation::new(self.tcx, cause, param_env, predicate) } /// Given two sets of values for the same set of canonical variables, unify them. @@ -721,18 +720,14 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for QueryTypeRelatingDelegate<'_, 'tcx> { self.obligations.push(Obligation { cause: self.cause.clone(), param_env: self.param_env, - predicate: ty::Binder::dummy(ty::PredicateKind::RegionOutlives(ty::OutlivesPredicate( - sup, sub, + predicate: ty::Binder::dummy(ty::PredicateKind::Clause(ty::Clause::RegionOutlives( + ty::OutlivesPredicate(sup, sub), ))) .to_predicate(self.infcx.tcx), recursion_depth: 0, }); } - fn const_equate(&mut self, _a: Const<'tcx>, _b: Const<'tcx>) { - span_bug!(self.cause.span(), "generic_const_exprs: unreachable `const_equate`"); - } - fn normalization() -> NormalizationStrategy { NormalizationStrategy::Eager } @@ -741,11 +736,7 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for QueryTypeRelatingDelegate<'_, 'tcx> { true } - fn register_opaque_type_obligations( - &mut self, - obligations: PredicateObligations<'tcx>, - ) -> Result<(), TypeError<'tcx>> { + fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>) { self.obligations.extend(obligations); - Ok(()) } } -- cgit v1.2.3