[7u4] Request for phase 2 approval for bulk integration of hs23-b21

[Edvard Wendelin]

Approved.

Cheers,
Edvard

On Apr 10, 2012, at 5:12 PM, John Coomes wrote:

> Requesting approval to integrate hs23-b21 into jdk7u4-b20.
> 
> A webrev is available at:
> 
> http://cr.openjdk.java.net/~jcoomes/7u4/hs23-b21-jdk7u4-b20.webrev/
> 
> SQE is evaluating the fixes; the integration will proceed only after
> SQE has approved.
> 
> The fixes in the proposed integration are below.  The fix for 7159766
> simply disables tiered compilation by default.  It has undergone
> nightly testing, but is not in a jdk8 repository because we plan to
> resolve the performance regressions while keeping tiered compilation
> enabled in jdk8.  However, that is too risky for jdk7u4.
> 
> 7158135: new hotspot build - hs23-b21
> 7159766: Tiered compilation causes performance regressions
> 
> -John