[serializer] allocate global proxy with the expected size.

src/heap/heap.cc

 // Copyright 2012 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/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
@@ skipping 2845 matching lines @@
 
   Handle<Cell> array_iterator_cell = factory->NewCell(
       handle(Smi::FromInt(Isolate::kProtectorValid), isolate()));
   set_array_iterator_protector(*array_iterator_cell);
 
   cell = factory->NewPropertyCell();
   cell->set_value(Smi::FromInt(Isolate::kProtectorValid));
   set_array_buffer_neutering_protector(*cell);
 
   set_serialized_templates(empty_fixed_array());
+  set_serialized_global_proxy_sizes(empty_fixed_array());
 
   set_weak_stack_trace_list(Smi::kZero);
 
   set_noscript_shared_function_infos(Smi::kZero);
 
   // Initialize context slot cache.
   isolate_->context_slot_cache()->Clear();
 
   // Initialize descriptor cache.
   isolate_->descriptor_lookup_cache()->Clear();
@@ skipping 13 matching lines @@
     case kScriptListRootIndex:
     case kMaterializedObjectsRootIndex:
     case kMicrotaskQueueRootIndex:
     case kDetachedContextsRootIndex:
     case kWeakObjectToCodeTableRootIndex:
     case kWeakNewSpaceObjectToCodeListRootIndex:
     case kRetainedMapsRootIndex:
     case kNoScriptSharedFunctionInfosRootIndex:
     case kWeakStackTraceListRootIndex:
     case kSerializedTemplatesRootIndex:
+    case kSerializedGlobalProxySizesRootIndex:
     case kPublicSymbolTableRootIndex:
     case kApiSymbolTableRootIndex:
     case kApiPrivateSymbolTableRootIndex:
 // Smi values
 #define SMI_ENTRY(type, name, Name) case k##Name##RootIndex:
       SMI_ROOT_LIST(SMI_ENTRY)
 #undef SMI_ENTRY
     // String table
     case kStringTableRootIndex:
       return true;
@@ skipping 3581 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8