RFR: 8285835: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work

[Uwe Schindler]

On Fri, 28 Oct 2022 08:30:56 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> > Looks reasonable to me. Have you verified that the failure with the replay file and jars from the initial crash doesn't reproduce either?
> 
> I tried the replay from the bug and the crash is gone with this fix.

Thanks for confirmation. See also my comments here: https://bugs.openjdk.org/browse/JDK-8285835?focusedCommentId=14533010&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14533010

The test code in this PR looks like our Lucene code (A wraps/refers B wraps/refers C; all some nested Lucene DocValues wrappers).

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PR: https://git.openjdk.org/jdk/pull/10894