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fix up subst_identity vs skip_binder; add some FIXMEs as identified in review

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This commit is contained in:
Kyle Matsuda 2023-01-19 12:52:52 -07:00
parent ab40ba2fb1
commit a969c194d8
10 changed files with 36 additions and 44 deletions
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4
compiler/rustc_ty_utils/src/implied_bounds.rs
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@ -9,12 +9,12 @@ pub fn provide(providers: &mut ty::query::Providers) {
fn assumed_wf_types(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::List<Ty<'_>> {
match tcx.def_kind(def_id) {
DefKind::Fn => {
let sig = tcx.fn_sig(def_id).skip_binder();
let sig = tcx.fn_sig(def_id).subst_identity();
let liberated_sig = tcx.liberate_late_bound_regions(def_id, sig);
liberated_sig.inputs_and_output
}
DefKind::AssocFn => {
let sig = tcx.fn_sig(def_id).skip_binder();
let sig = tcx.fn_sig(def_id).subst_identity();
let liberated_sig = tcx.liberate_late_bound_regions(def_id, sig);
let mut assumed_wf_types: Vec<_> =
tcx.assumed_wf_types(tcx.parent(def_id)).as_slice().into();