RFR: JDK-8199782: Fix compilation warnings detected by Solaris Developer Studio 12.6

[David Holmes]

Hi Gary,

On 5/04/2018 4:18 AM, Gary Adams wrote:
> Getting the sources ready for the next Solaris developer studio toolchain.
> 
>    Issue: https://bugs.openjdk.java.net/browse/JDK-8199782
>    Webrev: http://cr.openjdk.java.net/~gadams/8199782/webrev.00/
> 
> This update conditionally disables some new error checks, if the
> new toolchain is used.

This looks odd:

  231     DISABLED_WARNINGS_solstudio := $(DISABLED_WARNINGS_solstudio), \

as it is self-referential. Should you use a different variable name? Is 
there an issue if this variable has not been set?

Otherwise seems okay.

Thanks,
David