RFR (S) 8248240: Remove extendedPC.hpp and fetch_frame_from_ucontext

[coleen.phillimore at oracle.com]

Thanks Lois!
Coleen

On 6/24/20 5:41 PM, Lois Foltan wrote:
> Looks good Coleen!
> Lois
>
> On 6/24/2020 5:08 PM, coleen.phillimore at oracle.com wrote:
>> Summary: This empty interface was left over from deleting code from 
>> before safepoint polling.
>>
>> See bug for details.  Ran tier1-3, and also builds on ppc, aarch64, 
>> arm, s390, and zero.
>>
>> open webrev at 
>> http://cr.openjdk.java.net/~coleenp/2020/8248240.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8248240
>>
>> Thanks,
>> Coleen
>