Create function name const assignment after parsing language mode.

src/parser.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_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // TODO(titzer): remove this include dependency
@@ skipping 784 matching lines @@
       const AstRawString* name, Scanner::Location function_name_location,
       FunctionNameValidity function_name_validity, FunctionKind kind,
       int function_token_position, FunctionLiteral::FunctionType type,
       FunctionLiteral::ArityRestriction arity_restriction,
       LanguageMode language_mode, bool* ok);
   V8_INLINE void SkipLazyFunctionBody(
       int* materialized_literal_count, int* expected_property_count, bool* ok,
       Scanner::BookmarkScope* bookmark = nullptr);
   V8_INLINE ZoneList<Statement*>* ParseEagerFunctionBody(
       const AstRawString* name, int pos,
-      const ParserFormalParameters& parameters,
-      Variable* fvar, Token::Value fvar_init_op, FunctionKind kind, bool* ok);
+      const ParserFormalParameters& parameters, FunctionKind kind,
+      FunctionLiteral::FunctionType function_type, bool* ok);
 
   ClassLiteral* ParseClassLiteral(const AstRawString* name,
                                   Scanner::Location class_name_location,
                                   bool name_is_strict_reserved, int pos,
                                   bool* ok);
 
   V8_INLINE void CheckConflictingVarDeclarations(v8::internal::Scope* scope,
                                                  bool* ok);
 
   class TemplateLiteral : public ZoneObject {
@@ skipping 336 matching lines @@
 
   PreParser::PreParseResult ParseLazyFunctionBodyWithPreParser(
       SingletonLogger* logger, Scanner::BookmarkScope* bookmark = nullptr);
 
   Block* BuildParameterInitializationBlock(
       const ParserFormalParameters& parameters, bool* ok);
 
   // Consumes the ending }.
   ZoneList<Statement*>* ParseEagerFunctionBody(
       const AstRawString* function_name, int pos,
-      const ParserFormalParameters& parameters,
-      Variable* fvar, Token::Value fvar_init_op, FunctionKind kind, bool* ok);
+      const ParserFormalParameters& parameters, FunctionKind kind,
+      FunctionLiteral::FunctionType function_type, bool* ok);
 
   void ThrowPendingError(Isolate* isolate, Handle<Script> script);
 
   TemplateLiteralState OpenTemplateLiteral(int pos);
   void AddTemplateSpan(TemplateLiteralState* state, bool tail);
   void AddTemplateExpression(TemplateLiteralState* state,
                              Expression* expression);
   Expression* CloseTemplateLiteral(TemplateLiteralState* state, int start,
                                    Expression* tag);
   uint32_t ComputeTemplateLiteralHash(const TemplateLiteral* lit);
@@ skipping 43 matching lines @@
 
 void ParserTraits::SkipLazyFunctionBody(int* materialized_literal_count,
                                         int* expected_property_count, bool* ok,
                                         Scanner::BookmarkScope* bookmark) {
   return parser_->SkipLazyFunctionBody(materialized_literal_count,
                                        expected_property_count, ok, bookmark);
 }
 
 
 ZoneList<Statement*>* ParserTraits::ParseEagerFunctionBody(
-    const AstRawString* name, int pos,
-    const ParserFormalParameters& parameters, Variable* fvar,
-    Token::Value fvar_init_op, FunctionKind kind, bool* ok) {
-  return parser_->ParseEagerFunctionBody(name, pos, parameters, fvar,
-                                         fvar_init_op, kind, ok);
+    const AstRawString* name, int pos, const ParserFormalParameters& parameters,
+    FunctionKind kind, FunctionLiteral::FunctionType function_type, bool* ok) {
+  return parser_->ParseEagerFunctionBody(name, pos, parameters, kind,
+                                         function_type, ok);
 }
 
 void ParserTraits::CheckConflictingVarDeclarations(v8::internal::Scope* scope,
                                                    bool* ok) {
   parser_->CheckConflictingVarDeclarations(scope, ok);
 }
 
 
 // Support for handling complex values (array and object literals) that
 // can be fully handled at compile time.
@@ skipping 99 matching lines @@
         parser_->BuildParameterInitializationBlock(parameters, ok);
     if (!*ok) return;
     if (init_block != nullptr) {
       body->Add(init_block, parser_->zone());
     }
   }
 }
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_