On Mon, 25 Apr 2022 15:51:35 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
>> Albert Mingkun Yang has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Remove REF_ enum for java.lang.ref.Reference
>>
>> Signed-off-by: Albert Yang <albert.m.y...@oracle.com>
>
> src/hotspot/share/oops/instanceKlass.cpp line 441:
>
>> 439:
>> 440: // Allocation
>> 441: if (parser.is_java_lang_ref_Reference_subclass()) {
>
> I'm having a really hard time understanding this. java.lang.Reference now
> doesn't have any REF_OTHER type set. I didn't realize that a
> java.lang.Reference instance is a plain InstanceKlass, and not an
> InstanceRefKlass. Is this right?
Yes, I was also surprised by this. The java.lang.ref.Reference Klass is only an
InstanceKlass, not an InstanceRefKlass.
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PR: https://git.openjdk.java.net/jdk/pull/8332
