RFR: 8266239: Some duplicated javac command-line options have repeated effect

[Guoxiong Li]

On Thu, 2 Sep 2021 23:47:39 GMT, Vicente Romero <vromero at openjdk.org> wrote:

>> Hi all,
>> 
>> Some duplicated info options (`--version`, `--help`, `--help-extra`, `--help-lint`, `--full-version`) have repeated effect. Please see the following example.
>> 
>> 
>> $ javac -version -version
>> javac 17-internal
>> javac 17-internal
>> 
>> 
>> The patch fixes it and adds a corresponding test case.
>> Thank you for taking the time to review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> lgtm

@vicente-romero-oracle Thanks for your review.

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PR: https://git.openjdk.java.net/jdk/pull/4244