Core-dumping CTest tests that fail

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Core-dumping CTest tests that fail

Rainer Poisel
Hello,

I have a few CTest tests that fail (e. g. SEGFAULT) or timeout on
Linux from time to time. The tests are performed in a Continuous
Integration (CI) environment and I would like to simplify the analysis
in case a test fails.

Is there a way to make failing CTest tests to dump their core? In my
CI I would then invoke gdb automatically to print a call-stack of all
involved threads.

Thanks and regards,
  Rainer
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