[8u40] RFR 6642881: Improve performance of Class.getClassLoader()

[Mandy Chung]

Thumbs up.

Mandy

On 9/5/2014 12:55 PM, Coleen Phillimore wrote:
> Summary: Add classLoader to java/lang/Class instance for fast access
>
> This is a backport request for 8u40.   This change has been in the 
> jdk9 code for 3 months without any problems.
>
> The JDK changes hg imported cleanly.  The Hotspot change needed a hand 
> merge for create_mirror call in klass.cpp.
>
> http://cr.openjdk.java.net/~coleenp/6642881_8u40_jdk/
> http://cr.openjdk.java.net/~coleenp/6642881_8u40_hotspot/
>
> bug link https://bugs.openjdk.java.net/browse/JDK-6642881
>
> Ran jdk_core jtreg tests in jdk with both jdk/hotspot changes. Also 
> ran jck java_lang tests with only the hotspot change.  The hotspot 
> change can be tested separately from the jdk change (but not the other 
> way around).
>
> Thanks,
> Coleen