RFR: 8235654: JFR leak profiler should not trace through the StringTable

[Erik Österlund]

Hi Kim,

Thanks for the review.

/Erik

> On 10 Dec 2019, at 19:53, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
> 
>> 
>> On Dec 10, 2019, at 11:22 AM, erik.osterlund at oracle.com wrote:
>> 
>> Hi,
>> 
>> The JFR leak profiler finds strong reference chains to object samples. Weirdly enough, it walks the StringTable roots. But these oops are phantomly reachable. So they should arguably be excluded from the root snapshot.This incorrect use of StringTable::oops_do is the only use of StringTable::oops_do, so I'm removing that function.
>> 
>> Bug:
>> https://bugs.openjdk.java.net/browse/JDK-8235654
>> 
>> Webrev:
>> http://cr.openjdk.java.net/~eosterlund/8235654/webrev.00/
>> 
>> Thanks,
>> /Erik
> 
> Looks good.
>