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Introduce expand_weak_alias_tys

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This commit is contained in:
León Orell Valerian Liehr 2024-02-20 12:38:23 +01:00
parent 05ce209d20
commit 515d805a0e
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GPG key ID: D17A07215F68E713
13 changed files with 165 additions and 41 deletions
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20
compiler/rustc_trait_selection/src/traits/normalize.rs
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@ -101,19 +101,17 @@ pub(super) fn needs_normalization<'tcx, T: TypeVisitable<TyCtxt<'tcx>>>(
value: &T,
reveal: Reveal,
) -> bool {
let mut flags = ty::TypeFlags::HAS_TY_PROJECTION
| ty::TypeFlags::HAS_TY_WEAK
| ty::TypeFlags::HAS_TY_INHERENT
| ty::TypeFlags::HAS_CT_PROJECTION;
match reveal {
Reveal::UserFacing => value.has_type_flags(
ty::TypeFlags::HAS_TY_PROJECTION
| ty::TypeFlags::HAS_TY_INHERENT
| ty::TypeFlags::HAS_CT_PROJECTION,
),
Reveal::All => value.has_type_flags(
ty::TypeFlags::HAS_TY_PROJECTION
| ty::TypeFlags::HAS_TY_INHERENT
| ty::TypeFlags::HAS_TY_OPAQUE
| ty::TypeFlags::HAS_CT_PROJECTION,
),
Reveal::UserFacing => {}
Reveal::All => flags |= ty::TypeFlags::HAS_TY_OPAQUE,
}
value.has_type_flags(flags)
}
struct AssocTypeNormalizer<'a, 'b, 'tcx> {