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Move binder for dyn to each list item

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This commit is contained in:
Jack Huey
2020-12-11 15:02:46 -05:00
parent 58d2bad9f7
commit ed80815bf2
25 changed files with 307 additions and 261 deletions
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4
compiler/rustc_trait_selection/src/traits/wf.rs
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@@ -706,7 +706,7 @@ impl<'a, 'tcx> WfPredicates<'a, 'tcx> {
fn from_object_ty(
&mut self,
ty: Ty<'tcx>,
data: ty::Binder<&'tcx ty::List<ty::ExistentialPredicate<'tcx>>>,
data: &'tcx ty::List<ty::Binder<ty::ExistentialPredicate<'tcx>>>,
region: ty::Region<'tcx>,
) {
// Imagine a type like this:
@@ -769,7 +769,7 @@ impl<'a, 'tcx> WfPredicates<'a, 'tcx> {
/// `infer::required_region_bounds`, see that for more information.
pub fn object_region_bounds<'tcx>(
tcx: TyCtxt<'tcx>,
existential_predicates: ty::Binder<&'tcx ty::List<ty::ExistentialPredicate<'tcx>>>,
existential_predicates: &'tcx ty::List<ty::Binder<ty::ExistentialPredicate<'tcx>>>,
) -> Vec<ty::Region<'tcx>> {
// Since we don't actually *know* the self type for an object,
// this "open(err)" serves as a kind of dummy standin -- basically