akyrtzi added a comment. Hey Vladimir, what you are proposing is orthogonal to this patch. You are proposing for "the client to provide the value for an undefined identifier", and the patch is about the client not knowing what the value should be so it fallbacks to parsing all tokens to get the max amount of info. Note that both of the techniques can be combined well, if the client provides the value, the preprocessor will take it into account, otherwise if it is stays unresolved it will fallback to lexing all tokens. But what you are proposing is not a replacement for what the patch is doing.
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