RFR: 8274196: Crashes in VM_HeapDumper::work after JDK-8252842

[Coleen Phillimore]

On Fri, 24 Sep 2021 15:05:33 GMT, Lin Zang <lzang at openjdk.org> wrote:

>> yes
>>     void Mutex::check_no_safepoint_state(Thread* thread) {
>>        check_block_state(thread);
>>        assert(!thread->is_active_Java_thread() || _safepoint_check_required != _safepoint_check_always,
>>               "This lock should always have a safepoint check for Java threads: %s",
>>               name());
>>      }
>> 
>> yes, we exclude the check for a non-java thread, which I thought was an odd exclusion last time I looked.  I pass the tests in sun/tools/jmap/BasicJMapTest.java so maybe leave it for now?
>
> I agree, maybe a new issue could be created for tracking this.

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PR: https://git.openjdk.java.net/jdk/pull/5681