LibJS: Add TokenType::{Debugger,With} to Token::is_identifier_name()

Also remove TokenType::Interface, that should be handled elsewhere (as
a 'future reserved word' in strict mode).

Userland/Libraries/LibJS/Token.cpp

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2020, Stephan Unverwerth <[email protected]>
- * Copyright (c) 2020, Linus Groh <[email protected]>
+ * Copyright (c) 2020-2021, Linus Groh <[email protected]>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -222,6 +222,7 @@ bool Token::is_identifier_name() const
  || m_type == TokenType::Class
  || m_type == TokenType::Const
  || m_type == TokenType::Continue
+ || m_type == TokenType::Debugger
  || m_type == TokenType::Default
  || m_type == TokenType::Delete
  || m_type == TokenType::Do
@@ -236,7 +237,6 @@ bool Token::is_identifier_name() const
  || m_type == TokenType::Import
  || m_type == TokenType::In
  || m_type == TokenType::Instanceof
- || m_type == TokenType::Interface
  || m_type == TokenType::Let
  || m_type == TokenType::New
  || m_type == TokenType::NullLiteral
@@ -250,6 +250,7 @@ bool Token::is_identifier_name() const
  || m_type == TokenType::Var
  || m_type == TokenType::Void
  || m_type == TokenType::While
+ || m_type == TokenType::With
  || m_type == TokenType::Yield;
 }