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ptr::metadata: avoid references to extern types
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cb12b52f16
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@ -5,6 +5,7 @@ use crate::hash::{Hash, Hasher};
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use crate::intrinsics::aggregate_raw_ptr;
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use crate::intrinsics::ptr_metadata;
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use crate::marker::Freeze;
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use crate::ptr::NonNull;
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/// Provides the pointer metadata type of any pointed-to type.
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///
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@ -153,7 +154,7 @@ pub const fn from_raw_parts_mut<T: ?Sized>(
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/// compare equal (since identical vtables can be deduplicated within a codegen unit).
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#[lang = "dyn_metadata"]
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pub struct DynMetadata<Dyn: ?Sized> {
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_vtable_ptr: &'static VTable,
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_vtable_ptr: NonNull<VTable>,
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_phantom: crate::marker::PhantomData<Dyn>,
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}
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@ -174,7 +175,7 @@ impl<Dyn: ?Sized> DynMetadata<Dyn> {
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fn vtable_ptr(self) -> *const VTable {
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// SAFETY: this layout assumption is hard-coded into the compiler.
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// If it's somehow not a size match, the transmute will error.
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unsafe { crate::mem::transmute::<Self, &'static VTable>(self) }
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unsafe { crate::mem::transmute::<Self, *const VTable>(self) }
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}
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/// Returns the size of the type associated with this vtable.
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