mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rename NLL* to Nll* accordingly to C-CASE

Browse Source
This commit is contained in:
Hirochika Matsumoto 2021-01-28 16:18:25 +09:00
parent e32f372c42
commit f8e0e78d75
11 changed files with 71 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
compiler/rustc_infer/src/infer/canonical/query_response.rs
View File

@ -14,7 +14,7 @@
};
use crate::infer::nll_relate::{NormalizationStrategy, TypeRelating, TypeRelatingDelegate};
use crate::infer::region_constraints::{Constraint, RegionConstraintData};
use crate::infer::{InferCtxt, InferOk, InferResult, NLLRegionVariableOrigin};
use crate::infer::{InferCtxt, InferOk, InferResult, NllRegionVariableOrigin};
use crate::traits::query::{Fallible, NoSolution};
use crate::traits::TraitEngine;
use crate::traits::{Obligation, ObligationCause, PredicateObligation};
@ -644,7 +644,7 @@ fn create_next_universe(&mut self) -> ty::UniverseIndex {
}
fn next_existential_region_var(&mut self, from_forall: bool) -> ty::Region<'tcx> {
let origin = NLLRegionVariableOrigin::Existential { from_forall };
let origin = NllRegionVariableOrigin::Existential { from_forall };
self.infcx.next_nll_region_var(origin)
}
@ -654,7 +654,7 @@ fn next_placeholder_region(&mut self, placeholder: ty::PlaceholderRegion) -> ty:
fn generalize_existential(&mut self, universe: ty::UniverseIndex) -> ty::Region<'tcx> {
self.infcx.next_nll_region_var_in_universe(
NLLRegionVariableOrigin::Existential { from_forall: false },
NllRegionVariableOrigin::Existential { from_forall: false },
universe,
)
}

2
compiler/rustc_infer/src/infer/error_reporting/mod.rs
View File

@ -2342,7 +2342,7 @@ fn report_inference_failure(
let var_name = self.tcx.hir().name(upvar_id.var_path.hir_id);
format!(" for capture of `{}` by closure", var_name)
}
infer::NLL(..) => bug!("NLL variable found in lexical phase"),
infer::Nll(..) => bug!("NLL variable found in lexical phase"),
};
struct_span_err!(

14
compiler/rustc_infer/src/infer/mod.rs
View File

@ -458,11 +458,11 @@ pub enum RegionVariableOrigin {
/// This origin is used for the inference variables that we create
/// during NLL region processing.
NLL(NLLRegionVariableOrigin),
Nll(NllRegionVariableOrigin),
}
#[derive(Copy, Clone, Debug)]
pub enum NLLRegionVariableOrigin {
pub enum NllRegionVariableOrigin {
/// During NLL region processing, we create variables for free
/// regions that we encounter in the function signature and
/// elsewhere. This origin indices we've got one of those.
@ -1078,17 +1078,17 @@ pub fn num_region_vars(&self) -> usize {
}
/// Just a convenient wrapper of `next_region_var` for using during NLL.
pub fn next_nll_region_var(&self, origin: NLLRegionVariableOrigin) -> ty::Region<'tcx> {
self.next_region_var(RegionVariableOrigin::NLL(origin))
pub fn next_nll_region_var(&self, origin: NllRegionVariableOrigin) -> ty::Region<'tcx> {
self.next_region_var(RegionVariableOrigin::Nll(origin))
}
/// Just a convenient wrapper of `next_region_var` for using during NLL.
pub fn next_nll_region_var_in_universe(
&self,
origin: NLLRegionVariableOrigin,
origin: NllRegionVariableOrigin,
universe: ty::UniverseIndex,
) -> ty::Region<'tcx> {
self.next_region_var_in_universe(RegionVariableOrigin::NLL(origin), universe)
self.next_region_var_in_universe(RegionVariableOrigin::Nll(origin), universe)
}
pub fn var_for_def(&self, span: Span, param: &ty::GenericParamDef) -> GenericArg<'tcx> {
@ -1770,7 +1770,7 @@ pub fn span(&self) -> Span {
| LateBoundRegion(a, ..)
| UpvarRegion(_, a) => a,
BoundRegionInCoherence(_) => rustc_span::DUMMY_SP,
NLL(..) => bug!("NLL variable used with `span`"),
Nll(..) => bug!("NLL variable used with `span`"),
}
}
}

4
compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs
View File

@ -5,7 +5,7 @@
use rustc_data_structures::fx::FxHashSet;
use rustc_errors::{Applicability, DiagnosticBuilder};
use rustc_index::vec::IndexVec;
use rustc_infer::infer::NLLRegionVariableOrigin;
use rustc_infer::infer::NllRegionVariableOrigin;
use rustc_middle::mir::{
Body, CastKind, ConstraintCategory, FakeReadCause, Local, Location, Operand, Place, Rvalue,
Statement, StatementKind, TerminatorKind,
@ -258,7 +258,7 @@ fn free_region_constraint_info(
let (category, from_closure, span) = self.regioncx.best_blame_constraint(
&self.body,
borrow_region,
NLLRegionVariableOrigin::FreeRegion,
NllRegionVariableOrigin::FreeRegion,
|r| self.regioncx.provides_universal_region(r, borrow_region, outlived_region),
);

8
compiler/rustc_mir/src/borrow_check/diagnostics/region_errors.rs
View File

@ -3,7 +3,7 @@
use rustc_errors::{Applicability, DiagnosticBuilder};
use rustc_infer::infer::{
error_reporting::nice_region_error::NiceRegionError,
error_reporting::unexpected_hidden_region_diagnostic, NLLRegionVariableOrigin,
error_reporting::unexpected_hidden_region_diagnostic, NllRegionVariableOrigin,
};
use rustc_middle::mir::{ConstraintCategory, ReturnConstraint};
use rustc_middle::ty::subst::Subst;
@ -75,13 +75,13 @@ fn description(&self) -> &'static str {
/// The region element that erroneously must be outlived by `longer_fr`.
error_element: RegionElement,
/// The origin of the placeholder region.
fr_origin: NLLRegionVariableOrigin,
fr_origin: NllRegionVariableOrigin,
},
/// Any other lifetime error.
RegionError {
/// The origin of the region.
fr_origin: NLLRegionVariableOrigin,
fr_origin: NllRegionVariableOrigin,
/// The region that should outlive `shorter_fr`.
longer_fr: RegionVid,
/// The region that should be shorter, but we can't prove it.
@ -269,7 +269,7 @@ pub(in crate::borrow_check) fn report_region_errors(&mut self, nll_errors: Regio
pub(in crate::borrow_check) fn report_region_error(
&mut self,
fr: RegionVid,
fr_origin: NLLRegionVariableOrigin,
fr_origin: NllRegionVariableOrigin,
outlived_fr: RegionVid,
outlives_suggestion: &mut OutlivesSuggestionBuilder,
) {

4
compiler/rustc_mir/src/borrow_check/region_infer/dump_mir.rs
View File

@ -5,7 +5,7 @@
use super::{OutlivesConstraint, RegionInferenceContext};
use crate::borrow_check::type_check::Locations;
use rustc_infer::infer::NLLRegionVariableOrigin;
use rustc_infer::infer::NllRegionVariableOrigin;
use rustc_middle::ty::TyCtxt;
use std::io::{self, Write};
@ -20,7 +20,7 @@ pub(crate) fn dump_mir(&self, tcx: TyCtxt<'tcx>, out: &mut dyn Write) -> io::Res
writeln!(out, "| Free Region Mapping")?;
for region in self.regions() {
if let NLLRegionVariableOrigin::FreeRegion = self.definitions[region].origin {
if let NllRegionVariableOrigin::FreeRegion = self.definitions[region].origin {
let classification = self.universal_regions.region_classification(region).unwrap();
let outlived_by = self.universal_region_relations.regions_outlived_by(region);
writeln!(

68
compiler/rustc_mir/src/borrow_check/region_infer/mod.rs
View File

@ -9,7 +9,7 @@
use rustc_index::vec::IndexVec;
use rustc_infer::infer::canonical::QueryOutlivesConstraint;
use rustc_infer::infer::region_constraints::{GenericKind, VarInfos, VerifyBound};
use rustc_infer::infer::{InferCtxt, NLLRegionVariableOrigin, RegionVariableOrigin};
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin, RegionVariableOrigin};
use rustc_middle::mir::{
Body, ClosureOutlivesRequirement, ClosureOutlivesSubject, ClosureRegionRequirements,
ConstraintCategory, Local, Location, ReturnConstraint,
@ -143,9 +143,9 @@ pub(crate) struct AppliedMemberConstraint {
pub(crate) struct RegionDefinition<'tcx> {
/// What kind of variable is this -- a free region? existential
/// variable? etc. (See the `NLLRegionVariableOrigin` for more
/// variable? etc. (See the `NllRegionVariableOrigin` for more
/// info.)
pub(in crate::borrow_check) origin: NLLRegionVariableOrigin,
pub(in crate::borrow_check) origin: NllRegionVariableOrigin,
/// Which universe is this region variable defined in? This is
/// most often `ty::UniverseIndex::ROOT`, but when we encounter
@ -451,7 +451,7 @@ fn init_free_and_bound_regions(&mut self) {
let scc = self.constraint_sccs.scc(variable);
match self.definitions[variable].origin {
NLLRegionVariableOrigin::FreeRegion => {
NllRegionVariableOrigin::FreeRegion => {
// For each free, universally quantified region X:
// Add all nodes in the CFG to liveness constraints
@ -462,7 +462,7 @@ fn init_free_and_bound_regions(&mut self) {
self.scc_values.add_element(scc, variable);
}
NLLRegionVariableOrigin::Placeholder(placeholder) => {
NllRegionVariableOrigin::Placeholder(placeholder) => {
// Each placeholder region is only visible from
// its universe `ui` and its extensions. So we
// can't just add it into `scc` unless the
@ -480,8 +480,8 @@ fn init_free_and_bound_regions(&mut self) {
}
}
NLLRegionVariableOrigin::RootEmptyRegion
| NLLRegionVariableOrigin::Existential { .. } => {
NllRegionVariableOrigin::RootEmptyRegion
| NllRegionVariableOrigin::Existential { .. } => {
// For existential, regions, nothing to do.
}
}
@ -1348,7 +1348,7 @@ fn check_universal_regions(
) {
for (fr, fr_definition) in self.definitions.iter_enumerated() {
match fr_definition.origin {
NLLRegionVariableOrigin::FreeRegion => {
NllRegionVariableOrigin::FreeRegion => {
// Go through each of the universal regions `fr` and check that
// they did not grow too large, accumulating any requirements
// for our caller into the `outlives_requirements` vector.
@ -1360,12 +1360,12 @@ fn check_universal_regions(
);
}
NLLRegionVariableOrigin::Placeholder(placeholder) => {
NllRegionVariableOrigin::Placeholder(placeholder) => {
self.check_bound_universal_region(fr, placeholder, errors_buffer);
}
NLLRegionVariableOrigin::RootEmptyRegion
| NLLRegionVariableOrigin::Existential { .. } => {
NllRegionVariableOrigin::RootEmptyRegion
| NllRegionVariableOrigin::Existential { .. } => {
// nothing to check here
}
}
@ -1449,7 +1449,7 @@ fn check_polonius_subset_errors(
errors_buffer.push(RegionErrorKind::RegionError {
longer_fr: *longer_fr,
shorter_fr: *shorter_fr,
fr_origin: NLLRegionVariableOrigin::FreeRegion,
fr_origin: NllRegionVariableOrigin::FreeRegion,
is_reported: true,
});
}
@ -1459,16 +1459,16 @@ fn check_polonius_subset_errors(
// a more complete picture on how to separate this responsibility.
for (fr, fr_definition) in self.definitions.iter_enumerated() {
match fr_definition.origin {
NLLRegionVariableOrigin::FreeRegion => {
NllRegionVariableOrigin::FreeRegion => {
// handled by polonius above
}
NLLRegionVariableOrigin::Placeholder(placeholder) => {
NllRegionVariableOrigin::Placeholder(placeholder) => {
self.check_bound_universal_region(fr, placeholder, errors_buffer);
}
NLLRegionVariableOrigin::RootEmptyRegion
| NLLRegionVariableOrigin::Existential { .. } => {
NllRegionVariableOrigin::RootEmptyRegion
| NllRegionVariableOrigin::Existential { .. } => {
// nothing to check here
}
}
@ -1516,7 +1516,7 @@ fn check_universal_region(
errors_buffer.push(RegionErrorKind::RegionError {
longer_fr,
shorter_fr: representative,
fr_origin: NLLRegionVariableOrigin::FreeRegion,
fr_origin: NllRegionVariableOrigin::FreeRegion,
is_reported: true,
});
}
@ -1539,7 +1539,7 @@ fn check_universal_region(
errors_buffer.push(RegionErrorKind::RegionError {
longer_fr,
shorter_fr,
fr_origin: NLLRegionVariableOrigin::FreeRegion,
fr_origin: NllRegionVariableOrigin::FreeRegion,
is_reported: !error_reported,
});
@ -1597,7 +1597,7 @@ fn try_propagate_universal_region_error(
let blame_span_category = self.find_outlives_blame_span(
body,
longer_fr,
NLLRegionVariableOrigin::FreeRegion,
NllRegionVariableOrigin::FreeRegion,
shorter_fr,
);
@ -1656,7 +1656,7 @@ fn check_bound_universal_region(
errors_buffer.push(RegionErrorKind::BoundUniversalRegionError {
longer_fr,
error_element,
fr_origin: NLLRegionVariableOrigin::Placeholder(placeholder),
fr_origin: NllRegionVariableOrigin::Placeholder(placeholder),
});
}
@ -1732,7 +1732,7 @@ fn check_member_constraints(
debug!("cannot_name_value_of(r1={:?}, r2={:?})", r1, r2);
match self.definitions[r2].origin {
NLLRegionVariableOrigin::Placeholder(placeholder) => {
NllRegionVariableOrigin::Placeholder(placeholder) => {
let universe1 = self.definitions[r1].universe;
debug!(
"cannot_name_value_of: universe1={:?} placeholder={:?}",
@ -1741,9 +1741,9 @@ fn check_member_constraints(
universe1.cannot_name(placeholder.universe)
}
NLLRegionVariableOrigin::RootEmptyRegion
| NLLRegionVariableOrigin::FreeRegion
| NLLRegionVariableOrigin::Existential { .. } => false,
NllRegionVariableOrigin::RootEmptyRegion
| NllRegionVariableOrigin::FreeRegion
| NllRegionVariableOrigin::Existential { .. } => false,
}
}
@ -1771,7 +1771,7 @@ fn check_member_constraints(
&self,
body: &Body<'tcx>,
fr1: RegionVid,
fr1_origin: NLLRegionVariableOrigin,
fr1_origin: NllRegionVariableOrigin,
fr2: RegionVid,
) -> (ConstraintCategory, Span) {
let (category, _, span) = self.best_blame_constraint(body, fr1, fr1_origin, |r| {
@ -1933,7 +1933,7 @@ fn check_member_constraints(
.definitions
.iter_enumerated()
.find_map(|(r, definition)| match definition.origin {
NLLRegionVariableOrigin::Placeholder(p) if p == error_placeholder => Some(r),
NllRegionVariableOrigin::Placeholder(p) if p == error_placeholder => Some(r),
_ => None,
})
.unwrap(),
@ -1965,7 +1965,7 @@ fn check_member_constraints(
&self,
body: &Body<'tcx>,
from_region: RegionVid,
from_region_origin: NLLRegionVariableOrigin,
from_region_origin: NllRegionVariableOrigin,
target_test: impl Fn(RegionVid) -> bool,
) -> (ConstraintCategory, bool, Span) {
debug!(
@ -2059,11 +2059,11 @@ fn check_member_constraints(
//
// and here we prefer to blame the source (the y = x statement).
let blame_source = match from_region_origin {
NLLRegionVariableOrigin::FreeRegion
| NLLRegionVariableOrigin::Existential { from_forall: false } => true,
NLLRegionVariableOrigin::RootEmptyRegion
| NLLRegionVariableOrigin::Placeholder(_)
| NLLRegionVariableOrigin::Existential { from_forall: true } => false,
NllRegionVariableOrigin::FreeRegion
| NllRegionVariableOrigin::Existential { from_forall: false } => true,
NllRegionVariableOrigin::RootEmptyRegion
| NllRegionVariableOrigin::Placeholder(_)
| NllRegionVariableOrigin::Existential { from_forall: true } => false,
};
let find_region = |i: &usize| {
@ -2144,8 +2144,8 @@ fn new(universe: ty::UniverseIndex, rv_origin: RegionVariableOrigin) -> Self {
// `init_universal_regions`.
let origin = match rv_origin {
RegionVariableOrigin::NLL(origin) => origin,
_ => NLLRegionVariableOrigin::Existential { from_forall: false },
RegionVariableOrigin::Nll(origin) => origin,
_ => NllRegionVariableOrigin::Existential { from_forall: false },
};
Self { origin, universe, external_name: None }

12
compiler/rustc_mir/src/borrow_check/renumber.rs
View File

@ -1,5 +1,5 @@
use rustc_index::vec::IndexVec;
use rustc_infer::infer::{InferCtxt, NLLRegionVariableOrigin};
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin};
use rustc_middle::mir::visit::{MutVisitor, TyContext};
use rustc_middle::mir::{Body, Location, PlaceElem, Promoted};
use rustc_middle::ty::subst::SubstsRef;
@ -15,7 +15,7 @@ pub fn renumber_mir<'tcx>(
debug!("renumber_mir()");
debug!("renumber_mir: body.arg_count={:?}", body.arg_count);
let mut visitor = NLLVisitor { infcx };
let mut visitor = NllVisitor { infcx };
for body in promoted.iter_mut() {
visitor.visit_body(body);
@ -33,16 +33,16 @@ pub fn renumber_regions<'tcx, T>(infcx: &InferCtxt<'_, 'tcx>, value: T) -> T
debug!("renumber_regions(value={:?})", value);
infcx.tcx.fold_regions(value, &mut false, |_region, _depth| {
let origin = NLLRegionVariableOrigin::Existential { from_forall: false };
let origin = NllRegionVariableOrigin::Existential { from_forall: false };
infcx.next_nll_region_var(origin)
})
}
struct NLLVisitor<'a, 'tcx> {
struct NllVisitor<'a, 'tcx> {
infcx: &'a InferCtxt<'a, 'tcx>,
}
impl<'a, 'tcx> NLLVisitor<'a, 'tcx> {
impl<'a, 'tcx> NllVisitor<'a, 'tcx> {
fn renumber_regions<T>(&mut self, value: T) -> T
where
T: TypeFoldable<'tcx>,
@ -51,7 +51,7 @@ fn renumber_regions<T>(&mut self, value: T) -> T
}
}
impl<'a, 'tcx> MutVisitor<'tcx> for NLLVisitor<'a, 'tcx> {
impl<'a, 'tcx> MutVisitor<'tcx> for NllVisitor<'a, 'tcx> {
fn tcx(&self) -> TyCtxt<'tcx> {
self.infcx.tcx
}

4
compiler/rustc_mir/src/borrow_check/type_check/mod.rs
View File

@ -16,7 +16,7 @@
use rustc_infer::infer::outlives::env::RegionBoundPairs;
use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind};
use rustc_infer::infer::{
InferCtxt, InferOk, LateBoundRegionConversionTime, NLLRegionVariableOrigin,
InferCtxt, InferOk, LateBoundRegionConversionTime, NllRegionVariableOrigin,
};
use rustc_middle::mir::tcx::PlaceTy;
use rustc_middle::mir::visit::{NonMutatingUseContext, PlaceContext, Visitor};
@ -876,7 +876,7 @@ fn placeholder_region(
match self.placeholder_index_to_region.get(placeholder_index) {
Some(&v) => v,
None => {
let origin = NLLRegionVariableOrigin::Placeholder(placeholder);
let origin = NllRegionVariableOrigin::Placeholder(placeholder);
let region = infcx.next_nll_region_var_in_universe(origin, placeholder.universe);
self.placeholder_index_to_region.push(region);
region

6
compiler/rustc_mir/src/borrow_check/type_check/relate_tys.rs
View File

@ -1,5 +1,5 @@
use rustc_infer::infer::nll_relate::{NormalizationStrategy, TypeRelating, TypeRelatingDelegate};
use rustc_infer::infer::{InferCtxt, NLLRegionVariableOrigin};
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin};
use rustc_middle::mir::ConstraintCategory;
use rustc_middle::ty::relate::TypeRelation;
use rustc_middle::ty::{self, Const, Ty};
@ -64,7 +64,7 @@ fn create_next_universe(&mut self) -> ty::UniverseIndex {
fn next_existential_region_var(&mut self, from_forall: bool) -> ty::Region<'tcx> {
if self.borrowck_context.is_some() {
let origin = NLLRegionVariableOrigin::Existential { from_forall };
let origin = NllRegionVariableOrigin::Existential { from_forall };
self.infcx.next_nll_region_var(origin)
} else {
self.infcx.tcx.lifetimes.re_erased
@ -81,7 +81,7 @@ fn next_placeholder_region(&mut self, placeholder: ty::PlaceholderRegion) -> ty:
fn generalize_existential(&mut self, universe: ty::UniverseIndex) -> ty::Region<'tcx> {
self.infcx.next_nll_region_var_in_universe(
NLLRegionVariableOrigin::Existential { from_forall: false },
NllRegionVariableOrigin::Existential { from_forall: false },
universe,
)
}

14
compiler/rustc_mir/src/borrow_check/universal_regions.rs
View File

@ -20,7 +20,7 @@
use rustc_hir::lang_items::LangItem;
use rustc_hir::{BodyOwnerKind, HirId};
use rustc_index::vec::{Idx, IndexVec};
use rustc_infer::infer::{InferCtxt, NLLRegionVariableOrigin};
use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin};
use rustc_middle::ty::fold::TypeFoldable;
use rustc_middle::ty::subst::{InternalSubsts, Subst, SubstsRef};
use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt};
@ -393,7 +393,7 @@ struct UniversalRegionsBuilder<'cx, 'tcx> {
param_env: ty::ParamEnv<'tcx>,
}
const FR: NLLRegionVariableOrigin = NLLRegionVariableOrigin::FreeRegion;
const FR: NllRegionVariableOrigin = NllRegionVariableOrigin::FreeRegion;
impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> {
fn build(self) -> UniversalRegions<'tcx> {
@ -486,7 +486,7 @@ fn build(self) -> UniversalRegions<'tcx> {
let root_empty = self
.infcx
.next_nll_region_var(NLLRegionVariableOrigin::RootEmptyRegion)
.next_nll_region_var(NllRegionVariableOrigin::RootEmptyRegion)
.to_region_vid();
UniversalRegions {
@ -647,7 +647,7 @@ fn compute_inputs_and_output(
trait InferCtxtExt<'tcx> {
fn replace_free_regions_with_nll_infer_vars<T>(
&self,
origin: NLLRegionVariableOrigin,
origin: NllRegionVariableOrigin,
value: T,
) -> T
where
@ -655,7 +655,7 @@ fn replace_free_regions_with_nll_infer_vars<T>(
fn replace_bound_regions_with_nll_infer_vars<T>(
&self,
origin: NLLRegionVariableOrigin,
origin: NllRegionVariableOrigin,
all_outlive_scope: LocalDefId,
value: ty::Binder<T>,
indices: &mut UniversalRegionIndices<'tcx>,
@ -673,7 +673,7 @@ fn replace_late_bound_regions_with_nll_infer_vars(
impl<'cx, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'cx, 'tcx> {
fn replace_free_regions_with_nll_infer_vars<T>(
&self,
origin: NLLRegionVariableOrigin,
origin: NllRegionVariableOrigin,
value: T,
) -> T
where
@ -684,7 +684,7 @@ fn replace_free_regions_with_nll_infer_vars<T>(
fn replace_bound_regions_with_nll_infer_vars<T>(
&self,
origin: NLLRegionVariableOrigin,
origin: NllRegionVariableOrigin,
all_outlive_scope: LocalDefId,
value: ty::Binder<T>,
indices: &mut UniversalRegionIndices<'tcx>,