syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // if it doesn't, to_llvm_feature in llvm_util in rustc_codegen_llvm needs to be adapted.
context_before: // e.g. in stdarch and whether the given name matches LLVM's
context_after: // Additionally, if the feature is not available in older version of LLVM supported by the current