Merge pull request #25945 from akyrtzi/5.1-syntax-classify-identifiers

[utils/gyb_syntax_support] Add the classification kind for identifiers

Author: akyrtzi

utils/gyb_syntax_support/Token.py

@@ -314,7 +314,7 @@ def macro_name(self):
             classification='StringLiteral', serialization_code=113),
 
     Misc('Unknown', 'unknown', serialization_code=115),
-    Misc('Identifier', 'identifier', classification=None,
+    Misc('Identifier', 'identifier', classification='Identifier',
          serialization_code=105),
     Misc('UnspacedBinaryOperator', 'oper_binary_unspaced',
          serialization_code=107),