Request for review (S): 8005972: ParNew should not update the tenuring threshold when promotion failed has occurred

[Bengt Rutisson]

Hi everyone,

Could I have a couple of reviews for this small change to make DefNew 
and ParNew be more consistent in the way they treat the tenuring threshold:

http://cr.openjdk.java.net/~brutisso/8005972/webrev.00/

Thanks,
Bengt