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Add retag in MIR transform: Adt for Unique may contain a reference #112844

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Jun 21, 2023
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Add retag in MIR transform: Adt for Unique may contain a reference #112844

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1 change: 1 addition & 0 deletions compiler/rustc_mir_transform/src/add_retag.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ fn may_contain_reference<'tcx>(ty: Ty<'tcx>, depth: u32, tcx: TyCtxt<'tcx>) -> b
// References
ty::Ref(..) => true,
ty::Adt(..) if ty.is_box() => true,
ty::Adt(adt, _) if Some(adt.did()) == tcx.lang_items().ptr_unique() => true,
// Compound types: recurse
ty::Array(ty, _) | ty::Slice(ty) => {
// This does not branch so we keep the depth the same.
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