{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"let"}]}
        let second = bx.load(second_ty, second_ptr, align.restrict_for_offset(offset_from_start));
        let second_ptr = bx.inbounds_ptradd(ptr, bx.const_usize(offset_from_start.bytes()));
        let res = bx.cx().const_poison(cast_ty);