Get rid of the different kinds of yield in the AST & full-codegen.

src/parsing/preparser.h

 // 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.
 
 #ifndef V8_PARSING_PREPARSER_H
 #define V8_PARSING_PREPARSER_H
 
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
 #include "src/hashmap.h"
@@ skipping 476 matching lines @@
     return expression;
   }
   PreParserExpression NewAssignment(Token::Value op,
                                     PreParserExpression left,
                                     PreParserExpression right,
                                     int pos) {
     return PreParserExpression::Assignment();
   }
   PreParserExpression NewYield(PreParserExpression generator_object,
                                PreParserExpression expression,
-                               Yield::Kind yield_kind,
                                int pos) {
     return PreParserExpression::Default();
   }
   PreParserExpression NewConditional(PreParserExpression condition,
                                      PreParserExpression then_expression,
                                      PreParserExpression else_expression,
                                      int pos) {
     return PreParserExpression::Default();
   }
   PreParserExpression NewCountOperation(Token::Value op,
@@ skipping 193 matching lines @@
                                               PreParserFactory* factory) {
     return false;
   }
 
   PreParserExpression BuildUnaryExpression(PreParserExpression expression,
                                            Token::Value op, int pos,
                                            PreParserFactory* factory) {
     return PreParserExpression::Default();
   }
 
+  PreParserExpression BuildIteratorResult(PreParserExpression value,
+                                          bool done) {
+    return PreParserExpression::Default();
+  }
   PreParserExpression NewThrowReferenceError(MessageTemplate::Template message,
                                              int pos) {
     return PreParserExpression::Default();
   }
   PreParserExpression NewThrowSyntaxError(MessageTemplate::Template message,
                                           Handle<Object> arg, int pos) {
     return PreParserExpression::Default();
   }
   PreParserExpression NewThrowTypeError(MessageTemplate::Template message,
                                         Handle<Object> arg, int pos) {
@@ skipping 410 matching lines @@
 }
 
 
 ZoneList<PreParserExpression>* PreParserTraits::GetNonPatternList() const {
   return pre_parser_->function_state_->non_patterns_to_rewrite();
 }
 
 
 PreParserExpression PreParserTraits::RewriteYieldStar(
     PreParserExpression generator, PreParserExpression expression, int pos) {
-  return pre_parser_->factory()->NewYield(
-      generator, expression, Yield::kDelegating, pos);
+  return PreParserExpression::Default();
 }
 
 PreParserExpression PreParserTraits::RewriteInstanceof(PreParserExpression lhs,
                                                        PreParserExpression rhs,
                                                        int pos) {
   return PreParserExpression::Default();
 }
 
 PreParserStatementList PreParser::ParseEagerFunctionBody(
     PreParserIdentifier function_name, int pos,
@@ skipping 14 matching lines @@
     const PreParserFormalParameters& parameters, FunctionKind kind,
     FunctionLiteral::FunctionType function_type, bool* ok) {
   return pre_parser_->ParseEagerFunctionBody(function_name, pos, parameters,
                                              kind, function_type, ok);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PREPARSER_H