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

src/ast/ast-numbering.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/ast/ast-numbering.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 
 namespace v8 {
@@ skipping 396 matching lines @@
   // We can only get here from super calls currently.
   DisableFullCodegenAndCrankshaft(kSuperReference);
   node->set_base_id(ReserveIdRange(Spread::num_ids()));
   Visit(node->expression());
 }
 
 void AstNumberingVisitor::VisitEmptyParentheses(EmptyParentheses* node) {
   UNREACHABLE();
 }
 
+void AstNumberingVisitor::VisitGetIterator(GetIterator* node) {
+  IncrementNodeCount();
+  DisableFullCodegenAndCrankshaft(kGetIterator);
+  node->set_base_id(ReserveIdRange(GetIterator::num_ids()));
+  Visit(node->iterable());
+  ReserveFeedbackSlots(node);
+}
 
 void AstNumberingVisitor::VisitForInStatement(ForInStatement* node) {
   IncrementNodeCount();
   DisableSelfOptimization();
   node->set_base_id(ReserveIdRange(ForInStatement::num_ids()));
   Visit(node->enumerable());  // Not part of loop.
   node->set_first_yield_id(yield_count_);
   Visit(node->each());
   Visit(node->body());
   node->set_yield_count(yield_count_ - node->first_yield_id());
@@ skipping 215 matching lines @@
 }
 
 
 bool AstNumbering::Renumber(Isolate* isolate, Zone* zone,
                             FunctionLiteral* function) {
   AstNumberingVisitor visitor(isolate, zone);
   return visitor.Renumber(function);
 }
 }  // namespace internal
 }  // namespace v8