syntax_data: {"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"(\"lzcnt\","}]}
source_snippet:     ("lzcnt", Stable, &[]),
context_before:     ("lahfsahf", Unstable(sym::lahfsahf_target_feature), &[]),
context_after:     ("movbe", Stable, &[]),