Request for approval: Backport of 6781583 to hs14/OpenJDK6

[Dalibor Topic]

Paul Hohensee wrote:
> Excellent idea. :)
> 
> Paul
> 
> Martin Buchholz wrote:
>> Paul,
>> Thanks for the clear explanation.
>>
>> Given this, I'm thinking we lobby Joe Darcy
>> to use a *copy* of hotspot 14 stable
>> as the hotspot to use with OpenJDK6.
>> Which can then evolve with community input.
>> Andrew can do the first commit.

I agree. The hsx team can easily keep the gcc version they use 
stable, so they don't need to introduce changes to make hsx code 
work with latest gcc releases. OpenJDK 6, otoh, is used in 
distributions that ship bleeding edge gccs, so it needs to keep 
evolving along with gcc, which implies two different drivers, and 
that's a good reason to copy and go.

In order to avoid accumulating gcc patchlets monotonously in 
OpenJDK 6 clone of hsx, such fixes should also be submitted
to the hotspot team, where they apply to the in development
version of hotspot.

cheers,
dalibor topic
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