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Rollup merge of #131049 - compiler-errors:more-validation, r=spastorino

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Validate args are correct for `UnevaluatedConst`, `ExistentialTraitRef`/`ExistentialProjection`

For the `Existential*` ones, we have to do some adjustment to the args list to deal with the missing `Self` type, so we introduce a `debug_assert_existential_args_compatible` function to the interner as well.
This commit is contained in:
Matthias Krüger 2024-10-22 15:28:38 +02:00 • committed by GitHub
commit 3f15d296f4
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11 changed files with 104 additions and 32 deletions
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8
compiler/rustc_privacy/src/lib.rs
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@ -32,8 +32,8 @@ use rustc_middle::middle::privacy::{EffectiveVisibilities, EffectiveVisibility,
use rustc_middle::query::Providers;
use rustc_middle::ty::print::PrintTraitRefExt as _;
use rustc_middle::ty::{
self, Const, GenericArgs, GenericParamDefKind, TraitRef, Ty, TyCtxt, TypeSuperVisitable,
TypeVisitable, TypeVisitor,
self, Const, GenericParamDefKind, TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable,
TypeVisitor,
};
use rustc_middle::{bug, span_bug};
use rustc_session::lint;
@ -246,10 +246,10 @@ where
ty::ExistentialPredicate::Trait(trait_ref) => trait_ref,
ty::ExistentialPredicate::Projection(proj) => proj.trait_ref(tcx),
ty::ExistentialPredicate::AutoTrait(def_id) => {
ty::ExistentialTraitRef { def_id, args: GenericArgs::empty() }
ty::ExistentialTraitRef::new(tcx, def_id, ty::GenericArgs::empty())
}
};
let ty::ExistentialTraitRef { def_id, args: _ } = trait_ref;
let ty::ExistentialTraitRef { def_id, .. } = trait_ref;
try_visit!(self.def_id_visitor.visit_def_id(def_id, "trait", &trait_ref));
}
}