{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"let"}]}
        let Some((size, align)) = self.size_and_align_from_meta(&meta, &layout)? else {
    ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::Provenance>> {
            span_bug!(self.cur_span(), "cannot allocate space for `extern` type, size is not known")