[modules] Partial scope info support of modules

src/ast/scopes.h

Index: src/ast/scopes.h
diff --git a/src/ast/scopes.h b/src/ast/scopes.h
index 969c70a75d7b26b918660f7d601de1aaf9763920..5a3886ed65bcfde6efcf53495725e67147665d7e 100644
--- a/src/ast/scopes.h
+++ b/src/ast/scopes.h
@@ -341,7 +341,8 @@ class Scope: public ZoneObject {
   // present - is not collected and should be handled separately.
   void CollectVariables(ZoneList<Variable*>* stack_locals,
                         ZoneList<Variable*>* context_locals,
-                        ZoneList<Variable*>* context_globals);
+                        ZoneList<Variable*>* context_globals,
+                        ZoneList<Variable*>* module_vars = nullptr);
 
   // Result of variable allocation.
   int num_stack_slots() const { return num_stack_slots_; }
@@ -838,6 +839,8 @@ class ModuleScope final : public DeclarationScope {
  public:
   ModuleScope(DeclarationScope* script_scope,
               AstValueFactory* ast_value_factory);
+  ModuleScope(Isolate* isolate, Handle<ScopeInfo> scope_info,
+              AstValueFactory* ast_value_factory);
 
   ModuleDescriptor* module() const {
     DCHECK_NOT_NULL(module_descriptor_);