RFR: 8234379: ZGC: Do not resize TALBs unless -XX:ResizeTLAB is enabled

[Per Liden]

Thanks Erik!

/Per

On 11/19/19 9:15 AM, Erik Österlund wrote:
> Hi Per,
> 
> Looks good.
> 
> Thanks,
> /Erik
> 
> On 2019-11-19 08:14, Per Liden wrote:
>> ZGC currently calls ThreadLocalAllocBuffer::resize() regardless of if 
>> -XX:ResizeTLAB is enabled or not. This causes the following assert to 
>> fail:
>>
>> #  Internal Error 
>> (open/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp:130), 
>> pid=22060, tid=22069
>> #  assert(ResizeTLAB) failed: Should not call this otherwise
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8234379
>> Webrev: http://cr.openjdk.java.net/~pliden/8234379/webrev.0
>>
>> /Per
>