{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"llvm_self_profiler.before_pass_callback(pass_name,"}]}
        llvm_self_profiler.before_pass_callback(pass_name, ir_name);
        let ir_name = CStr::from_ptr(ir_name).to_str().expect("valid UTF-8");
    }