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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_hir_analysis/src/astconv/mod.rs
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@ -3023,7 +3023,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
fn compute_object_lifetime_bound(
&self,
span: Span,
existential_predicates: &'tcx ty::List<ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>>,
existential_predicates: &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>>,
) -> Option<ty::Region<'tcx>> // if None, use the default
{
let tcx = self.tcx();