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Auto merge of #102056 - b-naber:unevaluated, r=lcnr

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Introduce mir::Unevaluated

Previously the distinction between unevaluated constants in the type-system and in mir was not explicit and a little confusing. Probably better to introduce its own type for that.

r? `@lcnr`
This commit is contained in:
bors 2022-09-23 13:39:11 +00:00
commit 9a963e3bad
38 changed files with 220 additions and 156 deletions
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2
compiler/rustc_trait_selection/src/traits/project.rs
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@ -2141,7 +2141,7 @@ fn confirm_impl_candidate<'cx, 'tcx>(
let identity_substs =
crate::traits::InternalSubsts::identity_for_item(tcx, assoc_ty.item.def_id);
let did = ty::WithOptConstParam::unknown(assoc_ty.item.def_id);
let kind = ty::ConstKind::Unevaluated(ty::Unevaluated::new(did, identity_substs));
let kind = ty::ConstKind::Unevaluated(ty::UnevaluatedConst::new(did, identity_substs));
ty.map_bound(|ty| tcx.mk_const(ty::ConstS { ty, kind }).into())
} else {
ty.map_bound(|ty| ty.into())