Repro:
  1. perl-5.30.0 brewed with -DDEBUGGING -Dusemorebits -Duseshrplib -Dusethreads -Accflags='-fPIC -DUSE_THREAD_SAFE_LOCALE'
  2. install Term::ReadLine::Gnu::XS and Devel::REPL
  3. run KDE Konsole 19.04
  4. run re.pl
  5. View → Clear Scrollback and Reset
  6. ctrl+d to exit repl
  7. crash
I know when I get a SIGSEGV I can run gdb and when it crashes, "bt full" gives me the backtrace. But this is a different kind of bug here and I don't know enough.

In reply to need help golfing down/making a backtrace for panic: free from wrong pool, … during global destruction. by daxim

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