bjoernager/rust
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Add assertions back to canonicalizer

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This commit is contained in:
Michael Goulet 2024-01-30 15:59:19 +00:00
parent f4e886323c
commit edc5053352
1 changed files with 10 additions and 3 deletions
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13
compiler/rustc_next_trait_solver/src/canonicalizer.rs
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@ -1,6 +1,7 @@
use std::cmp::Ordering;
use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable};
use rustc_type_ir::visit::{Flags, TypeVisitableExt};
use rustc_type_ir::{
self as ty, Canonical, CanonicalTyVarKind, CanonicalVarInfo, CanonicalVarKind, ConstTy,
InferCtxtLike, Interner, IntoKind, PlaceholderLike,
@ -44,7 +45,13 @@ pub struct Canonicalizer<'a, Infcx: InferCtxtLike<Interner = I>, I: Interner> {
binder_index: ty::DebruijnIndex,
}
impl<'a, Infcx: InferCtxtLike<Interner = I>, I: Interner> Canonicalizer<'a, Infcx, I> {
impl<'a, Infcx: InferCtxtLike<Interner = I>, I: Interner> Canonicalizer<'a, Infcx, I>
where
I::Ty: Flags,
I::Region: Flags,
I::Const: Flags,
I::Predicate: Flags,
{
pub fn canonicalize<T: TypeFoldable<I>>(
infcx: &'a Infcx,
canonicalize_mode: CanonicalizeMode,
@ -62,8 +69,8 @@ impl<'a, Infcx: InferCtxtLike<Interner = I>, I: Interner> Canonicalizer<'a, Infc
let value = value.fold_with(&mut canonicalizer);
// FIXME: Restore these assertions. Should we uplift type flags?
// assert!(!value.has_infer(), "unexpected infer in {value:?}");
// assert!(!value.has_placeholders(), "unexpected placeholders in {value:?}");
assert!(!value.has_infer(), "unexpected infer in {value:?}");
assert!(!value.has_placeholders(), "unexpected placeholders in {value:?}");
let (max_universe, variables) = canonicalizer.finalize();