{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"span_bug!(span,"}]}
        span_bug!(span, "`#[rustc_layout(..)]` test resulted in `layout_of({ty}) = Err({err})`",);
    fn handle_layout_err(&self, err: LayoutError<'tcx>, span: Span, ty: Ty<'tcx>) -> ! {
    }