[ 
https://issues.apache.org/jira/browse/LUCENE-8668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16770447#comment-16770447
 ] 

Uwe Schindler commented on LUCENE-8668:
---------------------------------------

I was able to reproduce it on Policeman Jenkins with a JDK 12 fastdebug build. 
Indeed a assertion in hotspot code fails:

{noformat}
   [junit4] # To suppress the following error report, specify this argument
   [junit4] # after -XX: or in .hotspotrc:  SuppressErrorAt=/split_if.cpp:116
   [junit4] #
   [junit4] # A fatal error has been detected by the Java Runtime Environment:
   [junit4] #
   [junit4] #  Internal Error 
(/home/buildbot/worker/jdk12u-linux/build/src/hotspot/share/opto/split_if.cpp:116),
 pid=9437, tid=1773
   [junit4] #  Error: assert(bol->is_Bool()) failed
   [junit4] #
   [junit4] # JRE version: OpenJDK Runtime Environment (12.0) (fastdebug build 
12-testing+0-builds.shipilev.net-openjdk-jdk12-b109-20190215-jdk-1229)
   [junit4] # Java VM: OpenJDK 64-Bit Server VM (fastdebug 
12-testing+0-builds.shipilev.net-openjdk-jdk12-b109-20190215-jdk-1229, mixed 
mode, sharing, tiered, compressed oops, serial gc, linux-amd64)
   [junit4] # Problematic frame:
   [junit4] # V  [libjvm.so+0x17dd2ff]  PhaseIdealLoop::split_up(Node*, Node*, 
Node*) [clone .part.42]+0x11cf
   [junit4] #
   [junit4] # No core dump will be written. Core dumps have been disabled. To 
enable core dumping, try "ulimit -c unlimited" before starting Java again
   [junit4] #
   [junit4] # An error report file with more information is saved as:
   [junit4] # 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J0/hs_err_pid9437.log
   [junit4] #
   [junit4] # Compiler replay data is saved as:
   [junit4] # 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J0/replay_pid9437.log
   [junit4] #
   [junit4] # If you would like to submit a bug report, please visit:
   [junit4] #   http://bugreport.java.com/bugreport/crash.jsp
   [junit4] #
   [junit4] Current thread is 1773
   [junit4] Dumping core ...
{noformat}

> Various JVM failures on PhaseIdealLoop::split_up
> ------------------------------------------------
>
>                 Key: LUCENE-8668
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8668
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Dawid Weiss
>            Assignee: Dawid Weiss
>            Priority: Minor
>              Labels: jvm
>         Attachments: hs_err_pid10534.log, replay_pid10534.log
>
>
> Shows up on Jenkins in various contexts an on various JVMs, but all on Uwe's 
> jenkins machine. 
> Examples:
> {code}
>    [junit4] #
>    [junit4] #  SIGSEGV (0xb) at pc=0x00007fe7a0b1a46c, pid=18527, tid=18552
>    [junit4] #
>    [junit4] # JRE version: OpenJDK Runtime Environment (12.0+23) (build 
> 12-ea+23)
>    [junit4] # Java VM: OpenJDK 64-Bit Server VM (12-ea+23, mixed mode, 
> tiered, serial gc, linux-amd64)
>    [junit4] # Problematic frame:
>    [junit4] # V  [libjvm.so+0xce046c]  PhaseIdealLoop::split_up(Node*, Node*, 
> Node*) [clone .part.38]+0x47c
> {code}
> {code}
>    [junit4] #
>    [junit4] #  SIGSEGV (0xb) at pc=0x00007f8a1fcf713c, pid=8792, tid=8822
>    [junit4] #
>    [junit4] # JRE version: OpenJDK Runtime Environment (11.0+28) (build 11+28)
>    [junit4] # Java VM: OpenJDK 64-Bit Server VM (11+28, mixed mode, tiered, 
> parallel gc, linux-amd64)
>    [junit4] # Problematic frame:
>    [junit4] # V  [libjvm.so+0xd3e13c]  PhaseIdealLoop::split_up(Node*, Node*, 
> Node*) [clone .part.39]+0x47c
> {code}
> {code}
>    [junit4] #
>    [junit4] #  SIGSEGV (0xb) at pc=0x00007f8cfcb0a13c, pid=27685, tid=27730
>    [junit4] #
>    [junit4] # JRE version: OpenJDK Runtime Environment (11.0+28) (build 11+28)
>    [junit4] # Java VM: OpenJDK 64-Bit Server VM (11+28, mixed mode, tiered, 
> g1 gc, linux-amd64)
>    [junit4] # Problematic frame:
>    [junit4] # V  [libjvm.so+0xd3e13c]  PhaseIdealLoop::split_up(Node*, Node*, 
> Node*) [clone .part.39]+0x47c
> {code}
> {code}
>    [junit4] #
>    [junit4] #  SIGSEGV (0xb) at pc=0x00007fad0dea1409, pid=10534, tid=10604
>    [junit4] #
>    [junit4] # JRE version: OpenJDK Runtime Environment (10.0.1+10) (build 
> 10.0.1+10)
>    [junit4] # Java VM: OpenJDK 64-Bit Server VM (10.0.1+10, mixed mode, 
> tiered, compressed oops, concurrent mark sweep gc, linux-amd64)
>    [junit4] # Problematic frame:
>    [junit4] # V  [libjvm.so+0xc48409]  PhaseIdealLoop::split_up(Node*, Node*, 
> Node*) [clone .part.40]+0x619
> {code}



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