Java crash due to power8 OpenJDK on power9

Issue

• Java crashes within 1-2 seconds with the following in the fatal error log on OpenJDK 1.8.0_272-b10:

#  Internal Error (signature.cpp:267), pid=97181, tid=0x00007fff816af1b0
#  Error: ShouldNotReachHere()
...

Stack: [0x00007fff814b0000,0x00007fff816b0000],  sp=0x00007fff816a7760,  free space=2013k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0xbc3380]  VMError::report_and_die()+0x1a0
V  [libjvm.so+0x3f7f18]  report_should_not_reach_here(char const*, int)+0x88
V  [libjvm.so+0xab63fc]  SignatureIterator::iterate_returntype()+0x26c
V  [libjvm.so+0x322cdc]  ClassFileParser::parse_method(bool, AccessFlags*, Thread*)+0xbdc
V  [libjvm.so+0x324238]  ClassFileParser::parse_methods(bool, AccessFlags*, bool*, bool*, Thread*)+0x238
V  [libjvm.so+0x325550]  ClassFileParser::parseClassFile(Symbol*, ClassLoaderData*, Handle, KlassHandle, GrowableArray<Handle>*, TempNewSymbol&, bool, Thread*)+0xf10
V  [libjvm.so+0x32efdc]  ClassLoader::load_classfile(Symbol*, Thread*)+0x44c
V  [libjvm.so+0xb1d7a4]  SystemDictionary::load_instance_class(Symbol*, Handle, Thread*)+0x384
...

Dynamic libraries:

7fff81970000-7fff825e0000 r-xp 00000000 fd:00 408574                     /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-1.el7_9.ppc64le/jre/lib/ppc64le/server/libjvm.so
...

OS:Red Hat Enterprise Linux Server release 7.9 (Maipo)

vm_info: OpenJDK 64-Bit Server VM (25.272-b10) for linux-ppc64le JRE (1.8.0_272-b10), built on Oct 20 2020 01:33:13 by "mockbuild" with gcc 4.8.5 20150623 (Red Hat 4.8.5-44)

• Java crashes within minutes with the following in the fatal error log on 1.8.0_265-b01:

#  SIGSEGV (0xb) at pc=0x00007fffa8983884, pid=1566, tid=0x00007fffa720f1b0
...

Stack: [0x00007fffa7010000,0x00007fffa7210000],  sp=0x00007fffa720def0,  free space=2039k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x4d3884]  G1ParScanThreadState::trim_queue()+0x394
V  [libjvm.so+0x4afa38]  G1ParEvacuateFollowersClosure::do_void()+0x438
V  [libjvm.so+0x4b0138]  G1ParTask::work(unsigned int) [clone .part.430]+0x3d8
V  [libjvm.so+0xbdef8c]  GangWorker::loop()+0x18c
V  [libjvm.so+0xbded74]  GangWorker::run()+0x54
V  [libjvm.so+0x933950]  java_start(Thread*)+0x160
C  [libpthread.so.0+0x8cd4]  start_thread+0x104

Dynamic libraries:

7fffa84b0000-7fffa9110000 r-xp 00000000 fd:00 1275071932                 /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.265.b01-1.el7_9.ppc64le/jre/lib/ppc64le/server/libjvm.so
...

OS:Red Hat Enterprise Linux Server release 7.9 (Maipo)

vm_info: OpenJDK 64-Bit Server VM (25.265-b01) for linux-ppc64le JRE (1.8.0_265-b01), built on Jul 28 2020 11:16:00 by "mockbuild" with gcc 4.8.5 20150623 (Red Hat 4.8.5-44)