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Rollup merge of #129487 - GrigorenkoPV:repr_transparent_external_private_fields, r=compiler-errors

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repr_transparent_external_private_fields: special-case some std types

Fixes #129470

```@rustbot``` label +A-lint +L-repr_transparent_external_private_fields
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Matthias Krüger 2024-08-25 16:51:05 +02:00 • committed by GitHub
commit 9c59e97ded
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13 changed files with 113 additions and 1 deletions
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3
compiler/rustc_hir_analysis/src/check/check.rs
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@ -1259,7 +1259,8 @@ pub(super) fn check_transparent<'tcx>(tcx: TyCtxt<'tcx>, adt: ty::AdtDef<'tcx>)
ty::Tuple(list) => list.iter().try_for_each(|t| check_non_exhaustive(tcx, t)),
ty::Array(ty, _) => check_non_exhaustive(tcx, *ty),
ty::Adt(def, args) => {
if !def.did().is_local() {
if !def.did().is_local() && !tcx.has_attr(def.did(), sym::rustc_pub_transparent)
{
let non_exhaustive = def.is_variant_list_non_exhaustive()
|| def
.variants()