diff options
Diffstat (limited to 'compiler/rustc_const_eval/src/interpret/traits.rs')
| -rw-r--r-- | compiler/rustc_const_eval/src/interpret/traits.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index 1df9f5f7b2a..44e7244a513 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -36,8 +36,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { pub fn get_vtable_size_and_align( &self, vtable: Pointer<Option<M::Provenance>>, + expected_trait: Option<&'tcx ty::List<ty::PolyExistentialPredicate<'tcx>>>, ) -> InterpResult<'tcx, (Size, Align)> { - let ty = self.get_ptr_vtable_ty(vtable, None)?; + let ty = self.get_ptr_vtable_ty(vtable, expected_trait)?; let layout = self.layout_of(ty)?; assert!(layout.is_sized(), "there are no vtables for unsized types"); Ok((layout.size, layout.align.abi)) |