RFR: 8279009: CDS crashes when the source of an InstanceKlass is NULL [v3]

[Ioi Lam]

On Wed, 19 Jan 2022 04:27:11 GMT, Yumin Qi <minqi at openjdk.org> wrote:

>> Please review
>>   When user combine -XX:ArchiveClassesAtExit and -XX:DumpLoadedClassList, vm will generate shared archive at exit mean while dump class list to a file, it will encounter null source when lambda form invoker holder classes are regenerated which have no source.  It failed to output the NULL source.
>>    The fix is simply add ing check if the source exists. 
>>    For unregistered classes loaded from shared space, they should be filtered out since the source are not recorded in shared space.
>> 
>>    Tests: tier2,tier2.tier3,tier4
>> 
>> Thanks
>> Yumin
>
> Yumin Qi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove unused export modules, clean up comments

LGTM

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Marked as reviewed by iklam (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7072