syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"(\"vsx\","}]}
source_snippet:     ("vsx", Unstable(sym::powerpc_target_feature), &["altivec"]),
context_before:     ("quadword-atomics", Unstable(sym::powerpc_target_feature), &[]),
context_after:     // tidy-alphabetical-end