RFR: 8366837: Clean up gensrc by spp.Spp

[Philip Race]

I submitted a bug report : https://bugs.openjdk.org/browse/JDK-8367130

-phil.

On 9/8/25 11:52 AM, Philip Race wrote:
> Looks like it broke all the builds. So a P1 backout is needed.
>
> -phil.
>
> On 9/8/25 11:27 AM, Alan Bateman wrote:
>> On Mon, 8 Sep 2025 18:06:54 GMT, Chen Liang <liach at openjdk.org> wrote:
>>
>>> This patch removed the `VARHANDLES_GENSRC_DIR` variable used by 
>>> VarHandleGuards generation. I think it can be addressed by a hot fix.
>> I think the change needs to backed out and the differences with line 
>> numbers checked to see what impact it will have on stack traces and 
>> mapping it back to the sources in the template files.
>>
>> -------------
>>
>> PR Comment: 
>> https://git.openjdk.org/jdk/pull/27078#issuecomment-3267427085
>