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IAT: Introduce AliasKind::Inherent

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This commit is contained in:
León Orell Valerian Liehr 2023-03-21 01:46:52 +01:00
parent 6f8c0557e0
commit e8139dfd5a
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GPG key ID: D17A07215F68E713
82 changed files with 1008 additions and 167 deletions
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7
compiler/rustc_lint/src/builtin.rs
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@ -62,6 +62,7 @@ use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::layout::{LayoutError, LayoutOf};
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_middle::ty::subst::GenericArgKind;
use rustc_middle::ty::TypeVisitableExt;
use rustc_middle::ty::{self, Instance, Ty, TyCtxt, VariantDef};
use rustc_session::lint::{BuiltinLintDiagnostics, FutureIncompatibilityReason};
use rustc_span::edition::Edition;
@ -1461,6 +1462,10 @@ impl<'tcx> LateLintPass<'tcx> for TypeAliasBounds {
// Bounds are respected for `type X = impl Trait`
return;
}
if cx.tcx.type_of(item.owner_id).skip_binder().has_inherent_projections() {
// Bounds are respected for `type X = … Type::Inherent …`
return;
}
// There must not be a where clause
if type_alias_generics.predicates.is_empty() {
return;
@ -1580,7 +1585,6 @@ declare_lint_pass!(
impl<'tcx> LateLintPass<'tcx> for TrivialConstraints {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) {
use rustc_middle::ty::visit::TypeVisitableExt;
use rustc_middle::ty::Clause;
use rustc_middle::ty::PredicateKind::*;
@ -2917,6 +2921,7 @@ impl ClashingExternDeclarations {
| (Generator(..), Generator(..))
| (GeneratorWitness(..), GeneratorWitness(..))
| (Alias(ty::Projection, ..), Alias(ty::Projection, ..))
| (Alias(ty::Inherent, ..), Alias(ty::Inherent, ..))
| (Alias(ty::Opaque, ..), Alias(ty::Opaque, ..)) => false,
// These definitely should have been caught above.