{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":".flat_map(|feat|"}]}
        .flat_map(|feat| llvm_util::to_llvm_features(cx.tcx.sess, feat))
        // Convert to LLVMFeatures and filter out unavailable ones
        // Convert LLVMFeatures & dependencies to +<feats>s