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Use FxIndexMap instead of BTreeMap to avoid sorting DefIds

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This commit is contained in:
Oli Scherer 2024-03-21 13:01:15 +00:00
parent ae24fef028
commit 5ae546e108
1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_hir_analysis/src/outlives/utils.rs
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@ -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`