bjoernager/rust
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Compute generator saved locals on MIR.

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This commit is contained in:
Camille GILLOT 2022-10-01 15:57:22 +02:00
parent 400cb9aa41
commit 60e04d1e8c
18 changed files with 392 additions and 19 deletions
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11
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
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@ -13,7 +13,7 @@ use rustc_infer::infer::InferOk;
use rustc_infer::infer::LateBoundRegionConversionTime::HigherRankedType;
use rustc_middle::ty::{
self, Binder, GenericArg, GenericArgKind, GenericParamDefKind, InternalSubsts, SubstsRef,
ToPolyTraitRef, ToPredicate, TraitRef, Ty, TyCtxt,
ToPolyTraitRef, ToPredicate, TraitRef, Ty, TyCtxt, TypeVisitable,
};
use rustc_session::config::TraitSolver;
use rustc_span::def_id::DefId;
@ -1285,8 +1285,13 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
ty::GeneratorWitness(tys) => {
stack.extend(tcx.erase_late_bound_regions(tys).to_vec());
}
ty::GeneratorWitnessMIR(..) => {
todo!()
ty::GeneratorWitnessMIR(def_id, substs) => {
let tcx = self.tcx();
stack.extend(tcx.generator_hidden_types(def_id).map(|bty| {
let ty = bty.subst(tcx, substs);
debug_assert!(!ty.has_late_bound_regions());
ty
}))
}
// If we have a projection type, make sure to normalize it so we replace it