buildbot failure in LLVM on llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast

Hi,

this seems to be a flaky test in lld, in case anyone wants to take a look:

******************** TEST 'lld :: COFF/symtab.test' FAILED ********************
Script:
--
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/yaml2obj < /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/symtab.test > /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.obj
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link /debug /out:/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe /entry:main /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.obj /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/Inputs/std64.lib
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/llvm-readobj -symbols /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe | /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/FileCheck /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/symtab.test
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link /debug /opt:noref /out:/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe /entry:main /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.obj /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/Inputs/std64.lib
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/llvm-readobj -symbols /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe | /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/FileCheck /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/symtab.test
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link /debug /nosymtab /out:/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe /entry:main /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.obj /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/Inputs/std64.lib
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/llvm-readobj -symbols /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe | /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/FileCheck -check-prefix=NO /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/symtab.test
--
Exit Code: 139

Command Output (stderr):
--
#0 0x000000000045c654 PrintStackTraceSignalHandler(void*) (/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link+0x45c654)
#1 0x000000000045c966 SignalHandler(int) (/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link+0x45c966)
#2 0x00007fee721f2330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#3 0x00007fee721eb54c pthread_detach (/lib/x86_64-linux-gnu/libpthread.so.0+0x954c)
#4 0x00007fee7187d895 std::thread::detach() (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xb1895)
#5 0x00000000004bbe67 std::thread::_Impl<std::_Bind_simple<lld::internal::ThreadPoolExecutor::ThreadPoolExecutor(unsigned int)::{lambda()#1} ()> >::_M_run() (/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link+0x4bbe67)
#6 0x00007fee7187da60 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xb1a60)
#7 0x00007fee721ea184 start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x8184)
#8 0x00007fee712eb37d clone (/lib/x86_64-linux-gnu/libc.so.6+0xfa37d)
/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.script: line 7:  1321 Segmentation fault      (core dumped) /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/./bin/lld-link /debug /opt:noref /out:/home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.exe /entry:main /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.obj/tools/lld/test/COFF/Output/symtab.test.tmp.obj /home/buildbot/Buildbot/Slave/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/tools/lld/test/COFF/Inputs/std64.lib

Kuba