bjoernager/rust
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add EarlyBinder::subst_identity; impl ParameterizedOverTcx (needed for rustc_metadata) and Value for EarlyBinder

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This commit is contained in:
Kyle Matsuda 2023-01-10 11:53:35 -07:00
parent e9e0908367
commit c84917ad2e
3 changed files with 20 additions and 0 deletions
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12
compiler/rustc_middle/src/values.rs
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@ -94,6 +94,18 @@ impl<'tcx> Value<TyCtxt<'tcx>, DepKind> for Representability {
}
}
impl<'tcx> Value<TyCtxt<'tcx>, DepKind> for ty::EarlyBinder<Ty<'_>> {
fn from_cycle_error(tcx: TyCtxt<'tcx>, cycle: &[QueryInfo<DepKind>]) -> Self {
ty::EarlyBinder(Ty::from_cycle_error(tcx, cycle))
}
}
impl<'tcx> Value<TyCtxt<'tcx>, DepKind> for ty::EarlyBinder<ty::Binder<'_, ty::FnSig<'_>>> {
fn from_cycle_error(tcx: TyCtxt<'tcx>, cycle: &[QueryInfo<DepKind>]) -> Self {
ty::EarlyBinder(ty::Binder::from_cycle_error(tcx, cycle))
}
}
// item_and_field_ids should form a cycle where each field contains the
// type in the next element in the list
pub fn recursive_type_error(