RFR(XS): 8155735: use strings instead of Symbol* in JVMCI exception stubs

[Roland Schatz]

On 05/02/2016 06:53 PM, Christian Thalinger wrote:
>> [...]
>>
>> I've also included an exception check after the symbol lookup, just to be sure.
> Use CHECK instead of HAS_PENDING_EXCEPTION.  Otherwise this looks good.
Done:
http://cr.openjdk.java.net/~rschatz/JDK-8155735/webrev.02/


- Roland