RFR (S): 8250628: ZGC: `fixup_partial_loads` was removed, but still are referenced

[Albert Yang]

Thank you for your review.

On 2020-08-02 12:40, Kim Barrett wrote:
>> On Aug 2, 2020, at 6:22 AM, Albert Yang <albert.m.yang at oracle.com> wrote:
>>
>> I have further tested with tier1 and vmTestbase_nsk_jvmti (with the patch or explicitly setting them `true`), and find no failure. Any other tests that might be relevant?
> I think that’s good enough.  Thanks.
>
>> On 2020-08-01 09:14, Kim Barrett wrote:
>>>> On Jul 29, 2020, at 8:19 AM, Albert Yang <albert.m.yang at oracle.com> wrote:
>>>>
>>>> Hi,
>>>>
>>>> https://bugs.openjdk.java.net/browse/JDK-8250628
>>>>
>>>> http://cr.openjdk.java.net/~lkorinth/albert/8250628/0/
>>>>
>>>> Case 2&3 can be removed, since all roots will go through the load barrier before a safepoint. To be safe, I have tried setting them to true via `FLAG_SET_DEFAULT(_, true);`, and no failures are observed for hotspot-gc.
>>>>
>>>> Tested: hotspot-gc
>>>>
>>>> /Albert
>>> The change looks okay, but I'm not sure about the testing.
>>>
>>> VerifyBeforeIteration is (only) used by jvmti heap iteration
>>> functions, and I don't think the hotspot_gc test group includes any
>>> jvmti tests.
>>>
>> -- 
>> /Albert
>
-- 
/Albert