{"ast_node_type":"variable","tokens":[{"end":85,"kind":"keyword","start":0,"text":"if"}]}
        if let LayoutError::SizeOverflow(_) | LayoutError::ReferencesError(_) = err {
    fn handle_layout_err(&self, err: LayoutError<'tcx>, span: Span, ty: Ty<'tcx>) -> ! {
            self.tcx.sess.dcx().span_fatal(span, err.to_string())