diff options
| -rw-r--r-- | compiler/rustc_hir_analysis/src/check/check.rs | 3 | ||||
| -rw-r--r-- | tests/ui/repr/repr-transparent-non-exhaustive-transparent-in-prose.rs | 25 |
2 files changed, 27 insertions, 1 deletions
diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 14c5f8d9f16..728c3790098 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -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() diff --git a/tests/ui/repr/repr-transparent-non-exhaustive-transparent-in-prose.rs b/tests/ui/repr/repr-transparent-non-exhaustive-transparent-in-prose.rs new file mode 100644 index 00000000000..6ab34719f06 --- /dev/null +++ b/tests/ui/repr/repr-transparent-non-exhaustive-transparent-in-prose.rs @@ -0,0 +1,25 @@ +//@ check-pass + +#![feature(sync_unsafe_cell)] +#![allow(unused)] +#![deny(repr_transparent_external_private_fields)] + +// https://github.com/rust-lang/rust/issues/129470 + +struct ZST; + +#[repr(transparent)] +struct TransparentWithManuallyDropZST { + value: i32, + md: std::mem::ManuallyDrop<ZST>, + mu: std::mem::MaybeUninit<ZST>, + p: std::pin::Pin<ZST>, + pd: std::marker::PhantomData<ZST>, + pp: std::marker::PhantomPinned, + c: std::cell::Cell<ZST>, + uc: std::cell::UnsafeCell<ZST>, + suc: std::cell::SyncUnsafeCell<ZST>, + zst: ZST, +} + +fn main() {} |