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Bug
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Resolution: Fixed
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P5
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11, 17
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b22
Similar to JDK-8266542, simply running java -XX:-OptoRemoveUseless already crashes the VM:
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/cfgnode.cpp:1893
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/oracle/jdk/open/src/hotspot/share/opto/cfgnode.cpp:1893), pid=1597067, tid=1597080
# assert(r->in(0) == __null || !r->in(0)->is_Root()) failed: not a specially hidden merge
#
# JRE version: Java(TM) SE Runtime Environment (17.0) (fastdebug build 17-internal+0-LTS-2021-05-04-1333554.tobias...)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 17-internal+0-LTS-2021-05-04-1333554.tobias..., mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x8b1dc4] PhiNode::Ideal(PhaseGVN*, bool)+0x6e4
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/cfgnode.cpp:1893
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/oracle/jdk/open/src/hotspot/share/opto/cfgnode.cpp:1893), pid=1597067, tid=1597080
# assert(r->in(0) == __null || !r->in(0)->is_Root()) failed: not a specially hidden merge
#
# JRE version: Java(TM) SE Runtime Environment (17.0) (fastdebug build 17-internal+0-LTS-2021-05-04-1333554.tobias...)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 17-internal+0-LTS-2021-05-04-1333554.tobias..., mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x8b1dc4] PhiNode::Ideal(PhaseGVN*, bool)+0x6e4
- duplicates
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JDK-8316652 Development VM Option crashes the JVM on JDK11 (disable OptoRemoveUseless)
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- Closed
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- relates to
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JDK-8266542 Remove broken -XX:-UseLoopSafepoints flag
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- Resolved
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