Set global proxy internal field count based on the global object template.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 494e9311b235172d178d7afa67ac5be77204f69c..2c9b3c3a2b4464321ae72e3165ce2654a4cd0d22 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -7678,6 +7678,11 @@ bool JSGlobalProxy::IsDetachedFrom(JSGlobalObject* global) const {
   return iter.GetCurrent() != global;
 }
 
+inline int JSGlobalProxy::SizeWithInternalFields(int internal_field_count) {
+  DCHECK_GE(internal_field_count, 0);
+  return kSize + internal_field_count * kPointerSize;
+}
+
 Smi* JSReceiver::GetOrCreateIdentityHash(Isolate* isolate,
                                          Handle<JSReceiver> object) {
   return object->IsJSProxy() ? JSProxy::GetOrCreateIdentityHash(