RFR(T) : 8219565: [deadcode] remove share/utilities/intHisto.*

[David Holmes]

Hi Igor,

On 28/02/2019 8:21 am, Igor Ignatyev wrote:
> http://cr.openjdk.java.net/~iignatyev/8219565/webrev.00/
>> 143 lines changed: 0 ins; 143 del; 0 mod;
> 
> Hi all,
> 
> could you please review this trivial clean up? recent code coverage analysis showed that "IntHistogram class doesn't seem to be used anywhere in hotspot, and can/should be removed."  the patch is just 'hg rm src/hotspot/share/utilities/intHisto.*' + removing unneeded include in g1RemSet.cpp.

FYI the usage in g1RemSet.cpp was removed by:

8141049: Remove CARD_REPEAT_HISTO from the G1 code

but for some reason neither the include nor the IntHisto code were 
removed themselves.

Removal looks good.

Thanks,
David
-----

> webrev: http://cr.openjdk.java.net/~iignatyev/8219565/webrev.00/
> JBS: https://bugs.openjdk.java.net/browse/JDK-8219565
> testing: tier[1-2]
> 
> Thanks,
> -- Igor
>