[Octave-bug-tracker] [bug #57591] Segmentation faults when running the test suite (mostly with clang)

[Markus Mützel]

Follow-up Comment #33, bug #57591 (project octave):

Thanks for the hint. I'll try to produce a core dump. But the crashes are very
rare for me. I've seen maybe one every few weeks or months...

While some of the crashes on the build bots occured when plotting tests run,
they generally seem to be in more random places.
I've probably missed a bunch of them (see bug #58393). But here a list of
crashes with the last test occurring in the log in no particular order grouped
by builders:

clang-4.0-debian:
  miscellaneous/copyfile.m
  plot/appearance/title.m
  plot/appearance/legend.m
  sparse/sprand.m
  linear-algebra/bandwidth.m
  optimization/optimget.m

clang-5.0-debian:
  special-matrix/hadamard.m
  miscellaneous/tar.m
  statistics/movmedian.m
  plot/appearance/annotation.m

gcc-7-debian:
  miscalleneous/isfile.m

gcc-7-lto-debian:
  java/usejava.m

At first glance, it doesn't look like these functions have anything special in
common. I'm not sure if it has anything to do with graphics.

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