syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"(\"avx512bf16\","}]}
source_snippet:     ("avx512bf16", Stable, &["avx512bw"]),
context_before:     ("avx10.2", Unstable(sym::avx10_target_feature), &["avx10.1"]),
context_after:     ("avx512bitalg", Stable, &["avx512bw"]),