diff options
Diffstat (limited to 'compiler')
24 files changed, 119 insertions, 201 deletions
diff --git a/compiler/rustc_hir_analysis/src/outlives/utils.rs b/compiler/rustc_hir_analysis/src/outlives/utils.rs index 8077acea52e..d3bb22d715d 100644 --- a/compiler/rustc_hir_analysis/src/outlives/utils.rs +++ b/compiler/rustc_hir_analysis/src/outlives/utils.rs @@ -1,14 +1,14 @@ +use rustc_data_structures::fx::FxIndexMap; use rustc_infer::infer::outlives::components::{push_outlives_components, Component}; use rustc_middle::ty::{self, Region, Ty, TyCtxt}; use rustc_middle::ty::{GenericArg, GenericArgKind}; use rustc_span::Span; use smallvec::smallvec; -use std::collections::BTreeMap; /// Tracks the `T: 'a` or `'a: 'a` predicates that we have inferred /// must be added to the struct header. pub(crate) type RequiredPredicates<'tcx> = - BTreeMap<ty::OutlivesPredicate<GenericArg<'tcx>, ty::Region<'tcx>>, Span>; + FxIndexMap<ty::OutlivesPredicate<GenericArg<'tcx>, ty::Region<'tcx>>, Span>; /// Given a requirement `T: 'a` or `'b: 'a`, deduce the /// outlives_component and add it to `required_predicates` diff --git a/compiler/rustc_hir_typeck/src/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs index e9752d7a4a8..39d54f1a25e 100644 --- a/compiler/rustc_hir_typeck/src/method/mod.rs +++ b/compiler/rustc_hir_typeck/src/method/mod.rs @@ -81,7 +81,7 @@ pub struct NoMatchData<'tcx> { // A pared down enum describing just the places from which a method // candidate can arise. Used for error reporting only. -#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)] +#[derive(Copy, Clone, Debug, Eq, PartialEq)] pub enum CandidateSource { Impl(DefId), Trait(DefId /* trait id */), diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 0dcde0cdecb..12f522d1adc 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -49,7 +49,6 @@ use std::borrow::Cow; use super::probe::{AutorefOrPtrAdjustment, IsSuggestion, Mode, ProbeScope}; use super::{CandidateSource, MethodError, NoMatchData}; use rustc_hir::intravisit::Visitor; -use std::cmp::{self, Ordering}; use std::iter; impl<'a, 'tcx> FnCtxt<'a, 'tcx> { @@ -1186,7 +1185,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }) .collect::<Vec<_>>(); if !inherent_impls_candidate.is_empty() { - inherent_impls_candidate.sort(); + inherent_impls_candidate.sort_by_key(|id| self.tcx.def_path_str(id)); inherent_impls_candidate.dedup(); // number of types to show at most @@ -1567,7 +1566,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { sources: &mut Vec<CandidateSource>, sugg_span: Option<Span>, ) { - sources.sort(); + sources.sort_by_key(|source| match source { + CandidateSource::Trait(id) => (0, self.tcx.def_path_str(id)), + CandidateSource::Impl(id) => (1, self.tcx.def_path_str(id)), + }); sources.dedup(); // Dynamic limit to avoid hiding just one candidate, which is silly. let limit = if sources.len() == 5 { 5 } else { 4 }; @@ -2549,7 +2551,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { _ => None, }) .collect(); - preds.sort_by_key(|pred| (pred.def_id(), pred.self_ty())); + preds.sort_by_key(|pred| pred.trait_ref.to_string()); let def_ids = preds .iter() .filter_map(|pred| match pred.self_ty().kind() { @@ -2663,7 +2665,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { traits.push(trait_pred.def_id()); } } - traits.sort(); + traits.sort_by_key(|id| self.tcx.def_path_str(id)); traits.dedup(); let len = traits.len(); @@ -2886,7 +2888,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> bool { if !valid_out_of_scope_traits.is_empty() { let mut candidates = valid_out_of_scope_traits; - candidates.sort(); + candidates.sort_by_key(|id| self.tcx.def_path_str(id)); candidates.dedup(); // `TryFrom` and `FromIterator` have no methods @@ -3212,8 +3214,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } if !candidates.is_empty() { - // Sort from most relevant to least relevant. - candidates.sort_by_key(|&info| cmp::Reverse(info)); + // Sort local crate results before others + candidates + .sort_by_key(|&info| (!info.def_id.is_local(), self.tcx.def_path_str(info.def_id))); candidates.dedup(); let param_type = match rcvr_ty.kind() { @@ -3561,33 +3564,11 @@ pub enum SelfSource<'a> { MethodCall(&'a hir::Expr<'a> /* rcvr */), } -#[derive(Copy, Clone)] +#[derive(Copy, Clone, PartialEq, Eq)] pub struct TraitInfo { pub def_id: DefId, } -impl PartialEq for TraitInfo { - fn eq(&self, other: &TraitInfo) -> bool { - self.cmp(other) == Ordering::Equal - } -} -impl Eq for TraitInfo {} -impl PartialOrd for TraitInfo { - fn partial_cmp(&self, other: &TraitInfo) -> Option<Ordering> { - Some(self.cmp(other)) - } -} -impl Ord for TraitInfo { - fn cmp(&self, other: &TraitInfo) -> Ordering { - // Local crates are more important than remote ones (local: - // `cnum == 0`), and otherwise we throw in the defid for totality. - - let lhs = (other.def_id.krate, other.def_id); - let rhs = (self.def_id.krate, self.def_id); - lhs.cmp(&rhs) - } -} - /// Retrieves all traits in this crate and any dependent crates, /// and wraps them into `TraitInfo` for custom sorting. pub fn all_traits(tcx: TyCtxt<'_>) -> Vec<TraitInfo> { diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index dd438736baa..0911e4f5063 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -1038,7 +1038,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let (sig, reg) = ty::print::FmtPrinter::new(self.tcx, Namespace::TypeNS) .name_all_regions(sig) .unwrap(); - let lts: Vec<String> = reg.into_values().map(|kind| kind.to_string()).collect(); + let lts: Vec<String> = + reg.into_items().map(|(_, kind)| kind.to_string()).into_sorted_stable_ord(); (if lts.is_empty() { String::new() } else { format!("for<{}> ", lts.join(", ")) }, sig) }; diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs index f684f83a261..b1162a34cda 100644 --- a/compiler/rustc_middle/src/thir.rs +++ b/compiler/rustc_middle/src/thir.rs @@ -1018,7 +1018,7 @@ impl<'tcx> PatRangeBoundary<'tcx> { (Finite(mir::Const::Ty(a)), Finite(mir::Const::Ty(b))) if matches!(ty.kind(), ty::Uint(_) | ty::Char) => { - return Some(a.kind().cmp(&b.kind())); + return Some(a.to_valtree().cmp(&b.to_valtree())); } ( Finite(mir::Const::Val(mir::ConstValue::Scalar(Scalar::Int(a)), _)), diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index a7144316769..a7f1ba46b61 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -18,7 +18,6 @@ use rustc_span::symbol::sym; use rustc_target::abi::{ReprOptions, VariantIdx, FIRST_VARIANT}; use std::cell::RefCell; -use std::cmp::Ordering; use std::hash::{Hash, Hasher}; use std::ops::Range; use std::str; @@ -102,20 +101,6 @@ pub struct AdtDefData { repr: ReprOptions, } -impl PartialOrd for AdtDefData { - fn partial_cmp(&self, other: &AdtDefData) -> Option<Ordering> { - Some(self.cmp(other)) - } -} - -/// There should be only one AdtDef for each `did`, therefore -/// it is fine to implement `Ord` only based on `did`. -impl Ord for AdtDefData { - fn cmp(&self, other: &AdtDefData) -> Ordering { - self.did.cmp(&other.did) - } -} - impl PartialEq for AdtDefData { #[inline] fn eq(&self, other: &Self) -> bool { @@ -180,7 +165,7 @@ impl<'a> HashStable<StableHashingContext<'a>> for AdtDefData { } } -#[derive(Copy, Clone, PartialEq, Eq, Hash, Ord, PartialOrd, HashStable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] #[rustc_pass_by_value] pub struct AdtDef<'tcx>(pub Interned<'tcx, AdtDefData>); diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 0d621cd1cfd..3713883eb00 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -23,7 +23,7 @@ pub use valtree::*; pub type ConstKind<'tcx> = IrConstKind<TyCtxt<'tcx>>; /// Use this rather than `ConstData`, whenever possible. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, HashStable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] #[rustc_pass_by_value] pub struct Const<'tcx>(pub(super) Interned<'tcx, WithCachedTypeInfo<ConstData<'tcx>>>); @@ -52,7 +52,7 @@ impl<'tcx> ConstTy<TyCtxt<'tcx>> for Const<'tcx> { } /// Typed constant value. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] +#[derive(Copy, Clone, PartialEq, Eq, Hash)] #[derive(HashStable, TyEncodable, TyDecodable)] pub struct ConstData<'tcx> { pub ty: Ty<'tcx>, diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs index 705987d92fe..ea02faca5f3 100644 --- a/compiler/rustc_middle/src/ty/consts/kind.rs +++ b/compiler/rustc_middle/src/ty/consts/kind.rs @@ -7,7 +7,7 @@ use rustc_hir::def_id::DefId; use rustc_macros::HashStable; /// An unevaluated (potentially generic) constant used in the type-system. -#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, Eq, PartialEq, TyEncodable, TyDecodable)] #[derive(Hash, HashStable, TypeFoldable, TypeVisitable)] pub struct UnevaluatedConst<'tcx> { pub def: DefId, @@ -62,7 +62,7 @@ impl<'tcx> UnevaluatedConst<'tcx> { } } -#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)] +#[derive(Copy, Clone, Eq, PartialEq, Hash)] #[derive(HashStable, TyEncodable, TyDecodable, TypeVisitable, TypeFoldable)] pub enum Expr<'tcx> { Binop(mir::BinOp, Const<'tcx>, Const<'tcx>), diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index b57d4f372a7..fd3bee16e26 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -2,8 +2,6 @@ use crate::ty::{self, Binder, BoundTy, Ty, TyCtxt, TypeVisitableExt}; use rustc_data_structures::fx::FxIndexMap; use rustc_hir::def_id::DefId; -use std::collections::BTreeMap; - pub use rustc_type_ir::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; /////////////////////////////////////////////////////////////////////////// @@ -254,12 +252,12 @@ impl<'tcx> TyCtxt<'tcx> { self, value: Binder<'tcx, T>, mut fld_r: F, - ) -> (T, BTreeMap<ty::BoundRegion, ty::Region<'tcx>>) + ) -> (T, FxIndexMap<ty::BoundRegion, ty::Region<'tcx>>) where F: FnMut(ty::BoundRegion) -> ty::Region<'tcx>, T: TypeFoldable<TyCtxt<'tcx>>, { - let mut region_map = BTreeMap::new(); + let mut region_map = FxIndexMap::default(); let real_fld_r = |br: ty::BoundRegion| *region_map.entry(br).or_insert_with(|| fld_r(br)); let value = self.instantiate_bound_regions_uncached(value, real_fld_r); (value, region_map) diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 02b58c035d4..19cef927faf 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -17,7 +17,6 @@ use rustc_type_ir::WithCachedTypeInfo; use smallvec::SmallVec; use core::intrinsics; -use std::cmp::Ordering; use std::marker::PhantomData; use std::mem; use std::num::NonZero; @@ -68,7 +67,7 @@ const TYPE_TAG: usize = 0b00; const REGION_TAG: usize = 0b01; const CONST_TAG: usize = 0b10; -#[derive(Debug, TyEncodable, TyDecodable, PartialEq, Eq, PartialOrd, Ord, HashStable)] +#[derive(Debug, TyEncodable, TyDecodable, PartialEq, Eq, HashStable)] pub enum GenericArgKind<'tcx> { Lifetime(ty::Region<'tcx>), Type(Ty<'tcx>), @@ -100,18 +99,6 @@ impl<'tcx> GenericArgKind<'tcx> { } } -impl<'tcx> Ord for GenericArg<'tcx> { - fn cmp(&self, other: &GenericArg<'tcx>) -> Ordering { - self.unpack().cmp(&other.unpack()) - } -} - -impl<'tcx> PartialOrd for GenericArg<'tcx> { - fn partial_cmp(&self, other: &GenericArg<'tcx>) -> Option<Ordering> { - Some(self.cmp(other)) - } -} - impl<'tcx> From<ty::Region<'tcx>> for GenericArg<'tcx> { #[inline] fn from(r: ty::Region<'tcx>) -> GenericArg<'tcx> { diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index aad2f6a4cf8..d1d8a3ea072 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -517,7 +517,7 @@ pub struct CReaderCacheKey { } /// Use this rather than `TyKind`, whenever possible. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, HashStable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] #[rustc_diagnostic_item = "Ty"] #[rustc_pass_by_value] pub struct Ty<'tcx>(Interned<'tcx, WithCachedTypeInfo<TyKind<'tcx>>>); @@ -702,7 +702,7 @@ const TAG_MASK: usize = 0b11; const TYPE_TAG: usize = 0b00; const CONST_TAG: usize = 0b01; -#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, TyEncodable, TyDecodable)] +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable)] pub enum TermKind<'tcx> { Ty(Ty<'tcx>), @@ -980,7 +980,7 @@ impl PlaceholderLike for PlaceholderType { } #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, HashStable)] -#[derive(TyEncodable, TyDecodable, PartialOrd, Ord)] +#[derive(TyEncodable, TyDecodable)] pub struct BoundConst<'tcx> { pub var: BoundVar, pub ty: Ty<'tcx>, diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index d3bc7dd22e7..05156dd5205 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -192,7 +192,7 @@ impl<'tcx> Clause<'tcx> { } } -#[derive(Debug, Copy, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, TyEncodable, TyDecodable)] +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] pub enum ExistentialPredicate<'tcx> { /// E.g., `Iterator`. @@ -336,7 +336,7 @@ impl<'tcx> ty::List<ty::PolyExistentialPredicate<'tcx>> { /// /// Trait references also appear in object types like `Foo<U>`, but in /// that case the `Self` parameter is absent from the generic parameters. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] pub struct TraitRef<'tcx> { pub def_id: DefId, @@ -420,7 +420,7 @@ impl<'tcx> IntoDiagArg for TraitRef<'tcx> { /// ``` /// The generic parameters don't include the erased `Self`, only trait /// type and lifetime parameters (`[X, Y]` and `['a, 'b]` above). -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] pub struct ExistentialTraitRef<'tcx> { pub def_id: DefId, @@ -476,7 +476,7 @@ impl<'tcx> PolyExistentialTraitRef<'tcx> { } /// A `ProjectionPredicate` for an `ExistentialTraitRef`. -#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] +#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] pub struct ExistentialProjection<'tcx> { pub def_id: DefId, diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 914b19efc7e..5ff98dc8c87 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -10,6 +10,7 @@ use crate::ty::{ use rustc_apfloat::ieee::{Double, Single}; use rustc_apfloat::Float; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; +use rustc_data_structures::unord::UnordMap; use rustc_hir as hir; use rustc_hir::def::{self, CtorKind, DefKind, Namespace}; use rustc_hir::def_id::{DefIdMap, DefIdSet, ModDefId, CRATE_DEF_ID, LOCAL_CRATE}; @@ -24,7 +25,6 @@ use rustc_target::spec::abi::Abi; use smallvec::SmallVec; use std::cell::Cell; -use std::collections::BTreeMap; use std::fmt::{self, Write as _}; use std::iter; use std::ops::{Deref, DerefMut}; @@ -2537,7 +2537,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { struct RegionFolder<'a, 'tcx> { tcx: TyCtxt<'tcx>, current_index: ty::DebruijnIndex, - region_map: BTreeMap<ty::BoundRegion, ty::Region<'tcx>>, + region_map: UnordMap<ty::BoundRegion, ty::Region<'tcx>>, name: &'a mut ( dyn FnMut( Option<ty::DebruijnIndex>, // Debruijn index of the folded late-bound region @@ -2614,7 +2614,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { pub fn name_all_regions<T>( &mut self, value: &ty::Binder<'tcx, T>, - ) -> Result<(T, BTreeMap<ty::BoundRegion, ty::Region<'tcx>>), fmt::Error> + ) -> Result<(T, UnordMap<ty::BoundRegion, ty::Region<'tcx>>), fmt::Error> where T: Print<'tcx, Self> + TypeFoldable<TyCtxt<'tcx>>, { @@ -2691,7 +2691,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { write!(self, "{var:?}")?; } start_or_continue(self, "", "> "); - (value.clone().skip_binder(), BTreeMap::default()) + (value.clone().skip_binder(), UnordMap::default()) } else { let tcx = self.tcx; @@ -2763,7 +2763,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { tcx, current_index: ty::INNERMOST, name: &mut name, - region_map: BTreeMap::new(), + region_map: UnordMap::default(), }; let new_value = value.clone().skip_binder().fold_with(&mut folder); let region_map = folder.region_map; diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index c66b9864e46..867faf63261 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -14,7 +14,7 @@ use crate::ty::{self, BoundVar, TyCtxt, TypeFlags}; pub type RegionKind<'tcx> = IrRegionKind<TyCtxt<'tcx>>; /// Use this rather than `RegionKind`, whenever possible. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, HashStable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] #[rustc_pass_by_value] pub struct Region<'tcx>(pub Interned<'tcx, RegionKind<'tcx>>); @@ -327,7 +327,7 @@ impl<'tcx> Deref for Region<'tcx> { } } -#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, PartialOrd, Ord)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable)] pub struct EarlyParamRegion { pub def_id: DefId, @@ -358,7 +358,7 @@ impl Atom for RegionVid { } } -#[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, TyEncodable, TyDecodable, Copy)] +#[derive(Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Copy)] #[derive(HashStable)] /// The parameter representation of late-bound function parameters, "some region /// at least as big as the scope `fr.scope`". @@ -367,7 +367,7 @@ pub struct LateParamRegion { pub bound_region: BoundRegionKind, } -#[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, TyEncodable, TyDecodable, Copy)] +#[derive(Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Copy)] #[derive(HashStable)] pub enum BoundRegionKind { /// An anonymous region parameter for a given fn (&T) @@ -384,7 +384,7 @@ pub enum BoundRegionKind { BrEnv, } -#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, PartialOrd, Ord)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable)] pub struct BoundRegion { pub var: BoundVar, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 510a4b59520..57a675e4453 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -868,7 +868,7 @@ impl<'tcx> InlineConstArgs<'tcx> { } } -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable)] pub enum BoundVariableKind { Ty(BoundTyKind), @@ -908,7 +908,7 @@ impl BoundVariableKind { /// e.g., `liberate_late_bound_regions`). /// /// `Decodable` and `Encodable` are implemented for `Binder<T>` using the `impl_binder_encode_decode!` macro. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)] #[derive(HashStable, Lift)] pub struct Binder<'tcx, T> { value: T, @@ -1109,7 +1109,7 @@ where /// * For a projection, this would be `<Ty as Trait<...>>::N<...>`. /// * For an inherent projection, this would be `Ty::N<...>`. /// * For an opaque type, there is no explicit syntax. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] pub struct AliasTy<'tcx> { /// The parameters of the associated or opaque item. @@ -1278,7 +1278,7 @@ pub struct GenSig<'tcx> { /// - `inputs`: is the list of arguments and their modes. /// - `output`: is the return type. /// - `c_variadic`: indicates whether this is a C-variadic function. -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] pub struct FnSig<'tcx> { pub inputs_and_output: &'tcx List<Ty<'tcx>>, @@ -1403,14 +1403,14 @@ impl ParamConst { } } -#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] +#[derive(Clone, Copy, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable)] pub struct BoundTy { pub var: BoundVar, pub kind: BoundTyKind, } -#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] +#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable)] pub enum BoundTyKind { Anon, @@ -2661,7 +2661,7 @@ impl<'tcx> Ty<'tcx> { /// a miscompilation or unsoundness. /// /// When in doubt, use `VarianceDiagInfo::default()` -#[derive(Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord)] +#[derive(Copy, Clone, Debug, Default, PartialEq, Eq)] pub enum VarianceDiagInfo<'tcx> { /// No additional information - this is the default. /// We will not add any additional information to error messages. diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 476b31f44ae..4057bc9ffbd 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -2730,7 +2730,7 @@ pub(crate) fn import_candidates( ); } -type PathString<'a> = (String, &'a str, Option<DefId>, &'a Option<String>, bool); +type PathString<'a> = (String, &'a str, Option<Span>, &'a Option<String>, bool); /// When an entity with a given name is not available in scope, we search for /// entities with that name in all crates. This method allows outputting the @@ -2762,7 +2762,7 @@ fn show_candidates( accessible_path_strings.push(( pprust::path_to_string(&c.path), c.descr, - c.did, + c.did.and_then(|did| Some(tcx.source_span(did.as_local()?))), &c.note, c.via_import, )) @@ -2771,7 +2771,7 @@ fn show_candidates( inaccessible_path_strings.push(( pprust::path_to_string(&c.path), c.descr, - c.did, + c.did.and_then(|did| Some(tcx.source_span(did.as_local()?))), &c.note, c.via_import, )) @@ -2889,15 +2889,14 @@ fn show_candidates( } else if !(inaccessible_path_strings.is_empty() || matches!(mode, DiagMode::Import { .. })) { let prefix = if let DiagMode::Pattern = mode { "you might have meant to match on " } else { "" }; - if let [(name, descr, def_id, note, _)] = &inaccessible_path_strings[..] { + if let [(name, descr, source_span, note, _)] = &inaccessible_path_strings[..] { let msg = format!( "{prefix}{descr} `{name}`{} exists but is inaccessible", if let DiagMode::Pattern = mode { ", which" } else { "" } ); - if let Some(local_def_id) = def_id.and_then(|did| did.as_local()) { - let span = tcx.source_span(local_def_id); - let span = tcx.sess.source_map().guess_head_span(span); + if let Some(source_span) = source_span { + let span = tcx.sess.source_map().guess_head_span(*source_span); let mut multi_span = MultiSpan::from_span(span); multi_span.push_span_label(span, "not accessible"); err.span_note(multi_span, msg); @@ -2925,10 +2924,9 @@ fn show_candidates( let mut has_colon = false; let mut spans = Vec::new(); - for (name, _, def_id, _, _) in &inaccessible_path_strings { - if let Some(local_def_id) = def_id.and_then(|did| did.as_local()) { - let span = tcx.source_span(local_def_id); - let span = tcx.sess.source_map().guess_head_span(span); + for (name, _, source_span, _, _) in &inaccessible_path_strings { + if let Some(source_span) = source_span { + let span = tcx.sess.source_map().guess_head_span(*source_span); spans.push((name, span)); } else { if !has_colon { diff --git a/compiler/rustc_span/src/def_id.rs b/compiler/rustc_span/src/def_id.rs index 0c811d7dff1..8f721bac951 100644 --- a/compiler/rustc_span/src/def_id.rs +++ b/compiler/rustc_span/src/def_id.rs @@ -218,8 +218,6 @@ rustc_index::newtype_index! { /// /// You can create a `DefId` from a `LocalDefId` using `local_def_id.to_def_id()`. #[derive(Clone, PartialEq, Eq, Copy)] -// Don't derive order on 64-bit big-endian, so we can be consistent regardless of field order. -#[cfg_attr(not(all(target_pointer_width = "64", target_endian = "big")), derive(PartialOrd, Ord))] // On below-64 bit systems we can simply use the derived `Hash` impl #[cfg_attr(not(target_pointer_width = "64"), derive(Hash))] #[repr(C)] @@ -236,6 +234,12 @@ pub struct DefId { pub index: DefIndex, } +// To ensure correctness of incremental compilation, +// `DefId` must not implement `Ord` or `PartialOrd`. +// See https://github.com/rust-lang/rust/issues/90317. +impl !Ord for DefId {} +impl !PartialOrd for DefId {} + // On 64-bit systems, we can hash the whole `DefId` as one `u64` instead of two `u32`s. This // improves performance without impairing `FxHash` quality. So the below code gets compiled to a // noop on little endian systems because the memory layout of `DefId` is as follows: @@ -261,22 +265,6 @@ impl Hash for DefId { } } -// Implement the same comparison as derived with the other field order. -#[cfg(all(target_pointer_width = "64", target_endian = "big"))] -impl Ord for DefId { - #[inline] - fn cmp(&self, other: &DefId) -> std::cmp::Ordering { - Ord::cmp(&(self.index, self.krate), &(other.index, other.krate)) - } -} -#[cfg(all(target_pointer_width = "64", target_endian = "big"))] -impl PartialOrd for DefId { - #[inline] - fn partial_cmp(&self, other: &DefId) -> Option<std::cmp::Ordering> { - Some(self.cmp(other)) - } -} - impl DefId { /// Makes a local `DefId` from the given `DefIndex`. #[inline] diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 3cc46b5c638..7a62030353d 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -21,6 +21,7 @@ use crate::traits::{ }; use core::ops::ControlFlow; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; +use rustc_data_structures::unord::UnordSet; use rustc_errors::codes::*; use rustc_errors::{pluralize, struct_span_code_err, Applicability, MultiSpan, StringPart}; use rustc_errors::{Diag, EmissionGuarantee, ErrorGuaranteed, FatalError, StashKey}; @@ -2117,7 +2118,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }) .collect(); - impl_candidates.sort(); + impl_candidates.sort_by_key(|tr| tr.to_string()); impl_candidates.dedup(); return report(impl_candidates, err); } @@ -2143,7 +2144,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { cand }) .collect(); - impl_candidates.sort_by_key(|cand| (cand.similarity, cand.trait_ref)); + impl_candidates.sort_by_key(|cand| (cand.similarity, cand.trait_ref.to_string())); let mut impl_candidates: Vec<_> = impl_candidates.into_iter().map(|cand| cand.trait_ref).collect(); impl_candidates.dedup(); @@ -2243,14 +2244,18 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; let required_trait_path = self.tcx.def_path_str(trait_ref.def_id()); - let traits_with_same_path: std::collections::BTreeSet<_> = self + let traits_with_same_path: UnordSet<_> = self .tcx .all_traits() .filter(|trait_def_id| *trait_def_id != trait_ref.def_id()) - .filter(|trait_def_id| self.tcx.def_path_str(*trait_def_id) == required_trait_path) + .map(|trait_def_id| (self.tcx.def_path_str(trait_def_id), trait_def_id)) + .filter(|(p, _)| *p == required_trait_path) .collect(); + + let traits_with_same_path = + traits_with_same_path.into_items().into_sorted_stable_ord_by_key(|(p, _)| p); let mut suggested = false; - for trait_with_same_path in traits_with_same_path { + for (_, trait_with_same_path) in traits_with_same_path { let trait_impls = get_trait_impls(trait_with_same_path); if trait_impls.is_empty() { continue; diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 3f433a9e919..29d063321a7 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -2,7 +2,7 @@ use std::collections::BTreeMap; use super::NormalizeExt; use super::{ObligationCause, PredicateObligation, SelectionContext}; -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; use rustc_errors::Diag; use rustc_hir::def_id::DefId; use rustc_infer::infer::{InferCtxt, InferOk}; @@ -431,8 +431,8 @@ pub struct BoundVarReplacer<'me, 'tcx> { // These three maps track the bound variable that were replaced by placeholders. It might be // nice to remove these since we already have the `kind` in the placeholder; we really just need // the `var` (but we *could* bring that into scope if we were to track them as we pass them). - mapped_regions: BTreeMap<ty::PlaceholderRegion, ty::BoundRegion>, - mapped_types: BTreeMap<ty::PlaceholderType, ty::BoundTy>, + mapped_regions: FxIndexMap<ty::PlaceholderRegion, ty::BoundRegion>, + mapped_types: FxIndexMap<ty::PlaceholderType, ty::BoundTy>, mapped_consts: BTreeMap<ty::PlaceholderConst, ty::BoundVar>, // The current depth relative to *this* folding, *not* the entire normalization. In other words, // the depth of binders we've passed here. @@ -451,12 +451,13 @@ impl<'me, 'tcx> BoundVarReplacer<'me, 'tcx> { value: T, ) -> ( T, - BTreeMap<ty::PlaceholderRegion, ty::BoundRegion>, - BTreeMap<ty::PlaceholderType, ty::BoundTy>, + FxIndexMap<ty::PlaceholderRegion, ty::BoundRegion>, + FxIndexMap<ty::PlaceholderType, ty::BoundTy>, BTreeMap<ty::PlaceholderConst, ty::BoundVar>, ) { - let mapped_regions: BTreeMap<ty::PlaceholderRegion, ty::BoundRegion> = BTreeMap::new(); - let mapped_types: BTreeMap<ty::PlaceholderType, ty::BoundTy> = BTreeMap::new(); + let mapped_regions: FxIndexMap<ty::PlaceholderRegion, ty::BoundRegion> = + FxIndexMap::default(); + let mapped_types: FxIndexMap<ty::PlaceholderType, ty::BoundTy> = FxIndexMap::default(); let mapped_consts: BTreeMap<ty::PlaceholderConst, ty::BoundVar> = BTreeMap::new(); let mut replacer = BoundVarReplacer { @@ -574,8 +575,8 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for BoundVarReplacer<'_, 'tcx> { /// The inverse of [`BoundVarReplacer`]: replaces placeholders with the bound vars from which they came. pub struct PlaceholderReplacer<'me, 'tcx> { infcx: &'me InferCtxt<'tcx>, - mapped_regions: BTreeMap<ty::PlaceholderRegion, ty::BoundRegion>, - mapped_types: BTreeMap<ty::PlaceholderType, ty::BoundTy>, + mapped_regions: FxIndexMap<ty::PlaceholderRegion, ty::BoundRegion>, + mapped_types: FxIndexMap<ty::PlaceholderType, ty::BoundTy>, mapped_consts: BTreeMap<ty::PlaceholderConst, ty::BoundVar>, universe_indices: &'me [Option<ty::UniverseIndex>], current_index: ty::DebruijnIndex, @@ -584,8 +585,8 @@ pub struct PlaceholderReplacer<'me, 'tcx> { impl<'me, 'tcx> PlaceholderReplacer<'me, 'tcx> { pub fn replace_placeholders<T: TypeFoldable<TyCtxt<'tcx>>>( infcx: &'me InferCtxt<'tcx>, - mapped_regions: BTreeMap<ty::PlaceholderRegion, ty::BoundRegion>, - mapped_types: BTreeMap<ty::PlaceholderType, ty::BoundTy>, + mapped_regions: FxIndexMap<ty::PlaceholderRegion, ty::BoundRegion>, + mapped_types: FxIndexMap<ty::PlaceholderType, ty::BoundTy>, mapped_consts: BTreeMap<ty::PlaceholderConst, ty::BoundVar>, universe_indices: &'me [Option<ty::UniverseIndex>], value: T, diff --git a/compiler/rustc_transmute/src/layout/mod.rs b/compiler/rustc_transmute/src/layout/mod.rs index a7c60c3b490..0377ed5d4c5 100644 --- a/compiler/rustc_transmute/src/layout/mod.rs +++ b/compiler/rustc_transmute/src/layout/mod.rs @@ -65,7 +65,7 @@ pub mod rustc { use std::fmt::{self, Write}; /// A reference in the layout. - #[derive(Debug, Hash, Eq, PartialEq, PartialOrd, Ord, Clone, Copy)] + #[derive(Debug, Hash, Eq, PartialEq, Clone, Copy)] pub struct Ref<'tcx> { pub lifetime: ty::Region<'tcx>, pub ty: Ty<'tcx>, diff --git a/compiler/rustc_type_ir/src/const_kind.rs b/compiler/rustc_type_ir/src/const_kind.rs index 0aaaad5af05..5b08140db3a 100644 --- a/compiler/rustc_type_ir/src/const_kind.rs +++ b/compiler/rustc_type_ir/src/const_kind.rs @@ -8,15 +8,7 @@ use self::ConstKind::*; /// Represents a constant in Rust. #[derive(derivative::Derivative)] -#[derivative( - Clone(bound = ""), - Copy(bound = ""), - PartialOrd(bound = ""), - PartialOrd = "feature_allow_slow_enum", - Ord(bound = ""), - Ord = "feature_allow_slow_enum", - Hash(bound = "") -)] +#[derivative(Clone(bound = ""), Copy(bound = ""), Hash(bound = ""))] #[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable, HashStable_NoContext))] pub enum ConstKind<I: Interner> { /// A const generic parameter. diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 373540de05e..ae1e1902f14 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -9,16 +9,16 @@ use crate::{ }; pub trait Interner: Sized { - type DefId: Copy + Debug + Hash + Ord; - type AdtDef: Copy + Debug + Hash + Ord; + type DefId: Copy + Debug + Hash + Eq; + type AdtDef: Copy + Debug + Hash + Eq; type GenericArgs: Copy + DebugWithInfcx<Self> + Hash - + Ord + + Eq + IntoIterator<Item = Self::GenericArg>; - type GenericArg: Copy + DebugWithInfcx<Self> + Hash + Ord; - type Term: Copy + Debug + Hash + Ord; + type GenericArg: Copy + DebugWithInfcx<Self> + Hash + Eq; + type Term: Copy + Debug + Hash + Eq; type Binder<T: TypeVisitable<Self>>: BoundVars<Self> + TypeSuperVisitable<Self>; type BoundVars: IntoIterator<Item = Self::BoundVar>; @@ -30,56 +30,56 @@ pub trait Interner: Sized { type Ty: Copy + DebugWithInfcx<Self> + Hash - + Ord + + Eq + Into<Self::GenericArg> + IntoKind<Kind = TyKind<Self>> + TypeSuperVisitable<Self> + Flags + new::Ty<Self>; - type Tys: Copy + Debug + Hash + Ord + IntoIterator<Item = Self::Ty>; - type AliasTy: Copy + DebugWithInfcx<Self> + Hash + Ord; - type ParamTy: Copy + Debug + Hash + Ord; - type BoundTy: Copy + Debug + Hash + Ord; - type PlaceholderTy: Copy + Debug + Hash + Ord + PlaceholderLike; + type Tys: Copy + Debug + Hash + Eq + IntoIterator<Item = Self::Ty>; + type AliasTy: Copy + DebugWithInfcx<Self> + Hash + Eq; + type ParamTy: Copy + Debug + Hash + Eq; + type BoundTy: Copy + Debug + Hash + Eq; + type PlaceholderTy: Copy + Debug + Hash + Eq + PlaceholderLike; // Things stored inside of tys - type ErrorGuaranteed: Copy + Debug + Hash + Ord; - type BoundExistentialPredicates: Copy + DebugWithInfcx<Self> + Hash + Ord; - type PolyFnSig: Copy + DebugWithInfcx<Self> + Hash + Ord; - type AllocId: Copy + Debug + Hash + Ord; + type ErrorGuaranteed: Copy + Debug + Hash + Eq; + type BoundExistentialPredicates: Copy + DebugWithInfcx<Self> + Hash + Eq; + type PolyFnSig: Copy + DebugWithInfcx<Self> + Hash + Eq; + type AllocId: Copy + Debug + Hash + Eq; // Kinds of consts type Const: Copy + DebugWithInfcx<Self> + Hash - + Ord + + Eq + Into<Self::GenericArg> + IntoKind<Kind = ConstKind<Self>> + ConstTy<Self> + TypeSuperVisitable<Self> + Flags + new::Const<Self>; - type AliasConst: Copy + DebugWithInfcx<Self> + Hash + Ord; - type PlaceholderConst: Copy + Debug + Hash + Ord + PlaceholderLike; - type ParamConst: Copy + Debug + Hash + Ord; - type BoundConst: Copy + Debug + Hash + Ord; - type ValueConst: Copy + Debug + Hash + Ord; - type ExprConst: Copy + DebugWithInfcx<Self> + Hash + Ord; + type AliasConst: Copy + DebugWithInfcx<Self> + Hash + Eq; + type PlaceholderConst: Copy + Debug + Hash + Eq + PlaceholderLike; + type ParamConst: Copy + Debug + Hash + Eq; + type BoundConst: Copy + Debug + Hash + Eq; + type ValueConst: Copy + Debug + Hash + Eq; + type ExprConst: Copy + DebugWithInfcx<Self> + Hash + Eq; // Kinds of regions type Region: Copy + DebugWithInfcx<Self> + Hash - + Ord + + Eq + Into<Self::GenericArg> + IntoKind<Kind = RegionKind<Self>> + Flags + new::Region<Self>; - type EarlyParamRegion: Copy + Debug + Hash + Ord; - type LateParamRegion: Copy + Debug + Hash + Ord; - type BoundRegion: Copy + Debug + Hash + Ord; - type InferRegion: Copy + DebugWithInfcx<Self> + Hash + Ord; - type PlaceholderRegion: Copy + Debug + Hash + Ord + PlaceholderLike; + type EarlyParamRegion: Copy + Debug + Hash + Eq; + type LateParamRegion: Copy + Debug + Hash + Eq; + type BoundRegion: Copy + Debug + Hash + Eq; + type InferRegion: Copy + DebugWithInfcx<Self> + Hash + Eq; + type PlaceholderRegion: Copy + Debug + Hash + Eq + PlaceholderLike; // Predicates type Predicate: Copy + Debug + Hash + Eq + TypeSuperVisitable<Self> + Flags; diff --git a/compiler/rustc_type_ir/src/region_kind.rs b/compiler/rustc_type_ir/src/region_kind.rs index 2e8481df56d..e1247e2661a 100644 --- a/compiler/rustc_type_ir/src/region_kind.rs +++ b/compiler/rustc_type_ir/src/region_kind.rs @@ -113,15 +113,7 @@ use self::RegionKind::*; /// [2]: https://smallcultfollowing.com/babysteps/blog/2013/11/04/intermingled-parameter-lists/ /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html #[derive(derivative::Derivative)] -#[derivative( - Clone(bound = ""), - Copy(bound = ""), - PartialOrd(bound = ""), - PartialOrd = "feature_allow_slow_enum", - Ord(bound = ""), - Ord = "feature_allow_slow_enum", - Hash(bound = "") -)] +#[derivative(Clone(bound = ""), Copy(bound = ""), Hash(bound = ""))] #[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable))] pub enum RegionKind<I: Interner> { /// A region parameter; for example `'a` in `impl<'a> Trait for &'a ()`. diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 5ed73cd94f4..fad67fe3cbb 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -63,15 +63,7 @@ impl AliasKind { /// converted to this representation using `<dyn HirTyLowerer>::lower_ty`. #[cfg_attr(feature = "nightly", rustc_diagnostic_item = "IrTyKind")] #[derive(derivative::Derivative)] -#[derivative( - Clone(bound = ""), - Copy(bound = ""), - PartialOrd(bound = ""), - PartialOrd = "feature_allow_slow_enum", - Ord(bound = ""), - Ord = "feature_allow_slow_enum", - Hash(bound = "") -)] +#[derivative(Clone(bound = ""), Copy(bound = ""), Hash(bound = ""))] #[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable, HashStable_NoContext))] pub enum TyKind<I: Interner> { /// The primitive boolean type. Written as `bool`. @@ -803,8 +795,6 @@ impl<I: Interner> DebugWithInfcx<I> for InferTy { #[derivative( Clone(bound = ""), Copy(bound = ""), - PartialOrd(bound = ""), - Ord(bound = ""), PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""), |