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check for correct trait in size_and_align_of

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This commit is contained in:
Ralf Jung 2024-06-11 07:47:58 +02:00
parent af4d6c74ef
commit d041b7cf30
4 changed files with 10 additions and 7 deletions
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4
compiler/rustc_const_eval/src/interpret/eval_context.rs
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@ -765,10 +765,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
}
Ok(Some((full_size, full_align)))
}
ty::Dynamic(_, _, ty::Dyn) => {
ty::Dynamic(expected_trait, _, ty::Dyn) => {
let vtable = metadata.unwrap_meta().to_pointer(self)?;
// Read size and align from vtable (already checks size).
Ok(Some(self.get_vtable_size_and_align(vtable)?))
Ok(Some(self.get_vtable_size_and_align(vtable, Some(expected_trait))?))
}
ty::Slice(_) | ty::Str => {