syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // details. It is a higher baseline then `penryn` however.
context_before:             // comments (and disabled features) in `x86_64h_apple_darwin` for
context_after:             X86_64h => "core-avx2",