Serializer: ensure unique script ids when deserializing.

src/runtime/runtime-debug.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/arguments.h"
 #include "src/compiler.h"
 #include "src/debug.h"
@@ skipping 2311 matching lines @@
       isolate, result, DebugEvaluate(isolate, outer_info, context,
                                      context_extension, receiver, source));
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugGetLoadedScripts) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
 
+  DebugScope debug_scope(isolate->debug());
   // Fill the script objects.
   Handle<FixedArray> instances = isolate->debug()->GetLoadedScripts();
 
   // Convert the script objects to proper JS objects.
   for (int i = 0; i < instances->length(); i++) {
     Handle<Script> script = Handle<Script>(Script::cast(instances->get(i)));
     // Get the script wrapper in a local handle before calling GetScriptWrapper,
     // because using
     //   instances->set(i, *GetScriptWrapper(script))
     // is unsafe as GetScriptWrapper might call GC and the C++ compiler might
@@ skipping 484 matching lines @@
   return Smi::FromInt(isolate->debug()->is_active());
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) {
   UNIMPLEMENTED();
   return NULL;
 }
 }
 }  // namespace v8::internal