syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"(\"sha2\","}]}
source_snippet:     ("sha2", Unstable(sym::arm_target_feature), &["neon"]),
context_before:     ("rclass", Unstable(sym::arm_target_feature), &[]),
context_after:     // This can be *disabled* on non-`hf` targets to enable the use