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use FxHashMap instead of BTreeMap

This commit is contained in:
lcnr 2022-06-10 10:09:05 +02:00
parent 3d26f5a000
commit efdf948f43

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@ -33,7 +33,6 @@ use rustc_span::symbol::Symbol;
use rustc_span::Span;
use std::cell::{Cell, Ref, RefCell};
use std::collections::BTreeMap;
use std::fmt;
use self::combine::CombineFields;
@ -1532,14 +1531,14 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
return inner;
}
let mut region_map = BTreeMap::new();
let mut region_map = FxHashMap::default();
let fld_r = |br: ty::BoundRegion| {
*region_map
.entry(br)
.or_insert_with(|| self.next_region_var(LateBoundRegion(span, br.kind, lbrct)))
};
let mut ty_map = BTreeMap::new();
let mut ty_map = FxHashMap::default();
let fld_t = |bt: ty::BoundTy| {
*ty_map.entry(bt).or_insert_with(|| {
self.next_ty_var(TypeVariableOrigin {
@ -1548,7 +1547,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
})
})
};
let mut ct_map = BTreeMap::new();
let mut ct_map = FxHashMap::default();
let fld_c = |bc: ty::BoundVar, ty| {
*ct_map.entry(bc).or_insert_with(|| {
self.next_const_var(