[ignition] desugar GetIterator() via bytecode rather than via AST

src/ast/ast-traversal-visitor.h

 // Copyright 2016 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.
 
 #ifndef V8_AST_AST_TRAVERSAL_VISITOR_H_
 #define V8_AST_AST_TRAVERSAL_VISITOR_H_
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 
@@ skipping 453 matching lines @@
   RECURSE_EXPRESSION(Visit(expr->expression()));
 }
 
 template <class Subclass>
 void AstTraversalVisitor<Subclass>::VisitEmptyParentheses(
     EmptyParentheses* expr) {
   PROCESS_EXPRESSION(expr);
 }
 
 template <class Subclass>
+void AstTraversalVisitor<Subclass>::VisitGetIterator(GetIterator* expr) {
+  PROCESS_EXPRESSION(expr);
+  RECURSE_EXPRESSION(Visit(expr->iterable()));
+}
+
+template <class Subclass>
 void AstTraversalVisitor<Subclass>::VisitSuperPropertyReference(
     SuperPropertyReference* expr) {
   PROCESS_EXPRESSION(expr);
   RECURSE_EXPRESSION(VisitVariableProxy(expr->this_var()));
   RECURSE_EXPRESSION(Visit(expr->home_object()));
 }
 
 template <class Subclass>
 void AstTraversalVisitor<Subclass>::VisitSuperCallReference(
     SuperCallReference* expr) {
@@ skipping 12 matching lines @@
 
 #undef PROCESS_NODE
 #undef PROCESS_EXPRESSION
 #undef RECURSE_EXPRESSION
 #undef RECURSE
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_AST_TRAVERSAL_VISITOR_H_