[modules] Maintain array of cells for imports and local exports.

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index a1ec9324b0c7cb7aed0bdeed83208331457808fb..639abf6231ae667b8cb611893264c045777f9941 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -1817,6 +1817,10 @@ Handle<Module> Factory::NewModule(Handle<SharedFunctionInfo> code) {
                                  isolate());
   Handle<ObjectHashTable> exports =
       ObjectHashTable::New(isolate(), module_info->RegularExportCount());
+  Handle<FixedArray> regular_exports =
+      NewFixedArray(module_info->RegularExportCount());
+  Handle<FixedArray> regular_imports =
+      NewFixedArray(module_info->regular_imports()->length());
   int requested_modules_length = module_info->module_requests()->length();
   Handle<FixedArray> requested_modules =
       requested_modules_length > 0 ? NewFixedArray(requested_modules_length)
@@ -1825,6 +1829,8 @@ Handle<Module> Factory::NewModule(Handle<SharedFunctionInfo> code) {
   Handle<Module> module = Handle<Module>::cast(NewStruct(MODULE_TYPE));
   module->set_code(*code);
   module->set_exports(*exports);
+  module->set_regular_exports(*regular_exports);
+  module->set_regular_imports(*regular_imports);
   module->set_hash(isolate()->GenerateIdentityHash(Smi::kMaxValue));
   module->set_module_namespace(isolate()->heap()->undefined_value());
   module->set_requested_modules(*requested_modules);