39   std::string err;  in CompareProps()  local
64         err += "Prop " + latest_prop.api_name() + " has been removed\n";  in CompareProps()
70       err += "Type of prop " + latest_prop.api_name() + " has been changed\n";  in CompareProps()
74       err += "Accessibility of prop " + latest_prop.api_name() +  in CompareProps()
79       err += "Scope of prop " + latest_prop.api_name() +  in CompareProps()
83       err += "Enum values of prop " + latest_prop.api_name() +  in CompareProps()
87       err += "Integer-as-bool of prop " + latest_prop.api_name() +  in CompareProps()
94         err += "Underlying property of prop " + latest_prop.api_name() +  in CompareProps()
98         err += "Legacy prop of prop " + latest_prop.api_name() +  in CompareProps()
106       err += "owner of module " + latest.module() + " has been changed\n";  in CompareProps()
110   if (err.empty())  in CompareProps()
113     return Errorf("{}", err);  in CompareProps()