RFR: 8368817: Convert JDK_Version::to_string to use stringStream instead of jio_snprintf-chain

[Kim Barrett]

On Tue, 30 Sep 2025 07:54:21 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

>> Please review this change to JDK_Version::to_string to use stringStream to
>> accumulate the version string in the buffer, rather than using jio_snprintf to
>> write the various pieces.
>> 
>> Testing: mach5 tier1
>> Locally manually examined result of JDK_Version for builds configured with
>> different values for various version parameters.
>
> Marked as reviewed by fandreuzzi (Author).

Thanks for reviews @fandreuz and @jdksjolen

-------------

PR Comment: https://git.openjdk.org/jdk/pull/27567#issuecomment-3354631422