[parser] Cleanup: remove unused parameters to DeclareFunction

src/parsing/parser-base.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_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
@@ skipping 3863 matching lines @@
   // Async functions don't undergo sloppy mode block scoped hoisting, and don't
   // allow duplicates in a block. Both are represented by the
   // sloppy_block_function_map. Don't add them to the map for async functions.
   // Generators are also supposed to be prohibited; currently doing this behind
   // a flag and UseCounting violations to assess web compatibility.
   bool is_sloppy_block_function =
       is_sloppy(language_mode()) && !scope()->is_declaration_scope() &&
       !is_async && !(allow_harmony_restrictive_generators() && is_generator);
 
   return impl()->DeclareFunction(variable_name, function, mode, pos,
-                                 is_generator, is_async,
                                  is_sloppy_block_function, names, ok);
 }
 
 template <typename Impl>
 typename ParserBase<Impl>::StatementT ParserBase<Impl>::ParseClassDeclaration(
     ZoneList<const AstRawString*>* names, bool default_export, bool* ok) {
   // ClassDeclaration ::
   //   'class' Identifier ('extends' LeftHandExpression)? '{' ClassBody '}'
   //   'class' ('extends' LeftHandExpression)? '{' ClassBody '}'
   //
@@ skipping 1856 matching lines @@
     return;
   }
 }
 
 #undef CHECK_OK_VOID
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H