{"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"let"}]}
    let e = _mm256_permutevar8x32_epi32(a, idx);
    let r = _mm256_setr_epi32(800, 700, 600, 500, 400, 300, 200, 100);
    assert_eq_m256i(r, e);