Hot reload fixes for isolate tests

runtime/bin/main.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
 #include "include/dart_api.h"
 #include "include/dart_tools_api.h"
@@ skipping 1606 matching lines @@
   free(decompressed);
   return tar_file;
 }
 #else  // !defined(DART_PRECOMPILER)
 static Dart_GetVMServiceAssetsArchive GetVMServiceAssetsArchiveCallback = NULL;
 #endif  // !defined(DART_PRECOMPILER)
 
 
 void main(int argc, char** argv) {
   char* script_name;
-  const int EXTRA_VM_ARGUMENTS = 2;
+  const int EXTRA_VM_ARGUMENTS = 8;
   CommandLineOptions vm_options(argc + EXTRA_VM_ARGUMENTS);
   CommandLineOptions dart_options(argc);
   bool print_flags_seen = false;
   bool verbose_debug_seen = false;
 
   vm_options.AddArgument("--no_write_protect_code");
   // Perform platform specific initialization.
   if (!Platform::Initialize()) {
     Log::PrintErr("Initialization failed\n");
   }
@@ skipping 145 matching lines @@
   Platform::Exit(Process::GlobalExitCode());
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   dart::bin::main(argc, argv);
   UNREACHABLE();
 }