diff options
Diffstat (limited to 'compiler/rustc_const_eval/src/interpret/validity.rs')
| -rw-r--r-- | compiler/rustc_const_eval/src/interpret/validity.rs | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index 3407c7b8c79..92462e17da8 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -343,20 +343,16 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> { match tail.kind() { ty::Dynamic(data, _, ty::Dyn) => { let vtable = meta.unwrap_meta().to_pointer(self.ecx)?; - // Make sure it is a genuine vtable pointer. - let (_dyn_ty, dyn_trait) = try_validation!( - self.ecx.get_ptr_vtable(vtable), + // Make sure it is a genuine vtable pointer for the right trait. + try_validation!( + self.ecx.get_ptr_vtable_ty(vtable, Some(data)), self.path, Ub(DanglingIntPointer(..) | InvalidVTablePointer(..)) => - InvalidVTablePtr { value: format!("{vtable}") } + InvalidVTablePtr { value: format!("{vtable}") }, + Ub(InvalidVTableTrait { expected_trait, vtable_trait }) => { + InvalidMetaWrongTrait { expected_trait, vtable_trait: *vtable_trait } + }, ); - // Make sure it is for the right trait. - if dyn_trait != data.principal() { - throw_validation_failure!( - self.path, - InvalidMetaWrongTrait { expected_trait: data, vtable_trait: dyn_trait } - ); - } } ty::Slice(..) | ty::Str => { let _len = meta.unwrap_meta().to_target_usize(self.ecx)?; |
