{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"if"}]}
            if !compute_size_skeleton(ty)?.same_size(compute_size_skeleton(field_ty)?) {
            let compute_size_skeleton = |t| SizeSkeleton::compute(t, tcx, typing_env).ok();
                bug!("improper_ctypes: Option nonnull optimization not applied?");