| Index: runtime/vm/json_stream.cc | 
| diff --git a/runtime/vm/json_stream.cc b/runtime/vm/json_stream.cc | 
| index c367f2e0837239535cb870f09fdfeef9b434228a..f1a0d875d1e60ab9a0164ea12794ab2d3f1a9dd1 100644 | 
| --- a/runtime/vm/json_stream.cc | 
| +++ b/runtime/vm/json_stream.cc | 
| @@ -146,6 +146,8 @@ static const char* GetJSONRpcErrorMessage(intptr_t code) { | 
| return "File system does not exist"; | 
| case kFileDoesNotExist: | 
| return "File does not exist"; | 
| +    case kIsolateReloadFailed: | 
| +      return "Isolate reload failed"; | 
| default: | 
| return "Extension error"; | 
| } | 
|  |