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Rollup merge of #104595 - compiler-errors:poly-existential-predicate, r=lcnr

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Add `PolyExistentialPredicate` type alias

Wrapping `ExistentialPredicate`s in a binder is very common, and this alias already exists for the `PolyExistential{TraitRef,Projection}` types.
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Matthias Krüger 2022-11-21 14:11:11 +01:00 • committed by GitHub
commit 844e3fb928
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20 changed files with 48 additions and 53 deletions
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2
compiler/rustc_traits/src/chalk/lowering.rs
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@ -634,7 +634,7 @@ impl<'tcx> LowerInto<'tcx, Option<chalk_ir::QuantifiedWhereClause<RustInterner<'
}
impl<'tcx> LowerInto<'tcx, chalk_ir::Binders<chalk_ir::QuantifiedWhereClauses<RustInterner<'tcx>>>>
for &'tcx ty::List<ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>>
for &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>>
{
fn lower_into(
self,