RFR: 8026504: [asm] update internal ASM to the Beta version

[Kumar Srinivasan]

Hello,

As per Nashorn teams request, I have also run the octane test, and it 
passes.

I need reviewers from Lambda, Nashorn and ASM projects to approve this.

Thanks
Kumar

> Hello,
>
> Please review refreshing the internal ASM sources to ASM_5_0_BETA,
> I have run all the lambda test-ng tests using the lambda repo as well 
> as the nashorn
> regression tests and test262parallel.
>
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8026504
>
> Webrev:
> http://cr.openjdk.java.net/~ksrini/8026504/webrev/
>
> Thanks
> Kumar
>
>
>