{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"(\"x86\","}]}
        ("x86", "sse4.2") => smallvec!["sse4.2", "crc32"],
        ("x86", "x87") => smallvec![],
        ("x86", "pclmulqdq") => smallvec!["pclmul"],