[7u40] Request for phase 2 approval for CR 8015668 - overload resolution: performance regression in JDK 7

Seán Coffey sean.coffey at oracle.com
Fri Jun 21 01:38:15 PDT 2013


Approved for jdk7u40-dev.

There's a slight delay with 7u40 b30 promotion. We're expecting it 
today. Creation of stabilization forests will be requested once that 
happens.

regards,
Sean.

On 19/06/2013 18:37, Vicente-Arturo Romero-Zaldivar wrote:
> Hello,
>
> Please approve this CR for 7u40, the bug can be find at [1]. The 
> webrev can be found at [2] and the public review thread at [3].
>
> The reviewers were: Jonathan Gibbons and David Holmes.
>
> This fix solve a very bad regression in JDK 7, compilation time for a 
> corner case has been improved from 5 minutes to less than 5 seconds.
>
> Tests done:
>
> jprt job                                         - OK for langtools 
> tests for all platforms.
> build JDK 7 + patch                     - OK
> rt.jar size regression                   - NO
> JCK tests                                      - OK for all
>
> The expected risk is very low as long as this patch is a refactoring.
>
> Thanks,
>
> Vicente
>
> [1] http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8015668
> [2] http://cr.openjdk.java.net/~vromero/8015668_JDK7/webrev.00/
> [3] 
> http://mail.openjdk.java.net/pipermail/compiler-dev/2013-June/006580.htm




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