add is_sized method on Abi and Layout, and use it

2022-11-13 12:14:59 +01:00
parent 742d3f02c2
commit c78021709a
21 changed files with 39 additions and 29 deletions
--- a/compiler/rustc_const_eval/src/interpret/traits.rs
+++ b/compiler/rustc_const_eval/src/interpret/traits.rs
@@ -53,7 +53,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
    ) -> InterpResult<'tcx, (Size, Align)> {
        let (ty, _trait_ref) = self.get_ptr_vtable(vtable)?;
        let layout = self.layout_of(ty)?;
-        assert!(!layout.is_unsized(), "there are no vtables for unsized types");
+        assert!(layout.is_sized(), "there are no vtables for unsized types");
        Ok((layout.size, layout.align.abi))
    }
 }