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[Octave-bug-tracker] [bug #51436] Segmentation fault when running make c

From: John W. Eaton
Subject: [Octave-bug-tracker] [bug #51436] Segmentation fault when running make check-local on 32-bit (with gcc7)
Date: Mon, 10 Jul 2017 23:49:33 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0

Follow-up Comment #4, bug #51436 (project octave):

Can you find where it crashes?  It seems this would be independent of the GUI,
so the easiest way to get a stack trace might be to use "./run-octave -g" and
then run the test individually from the prompt.  Something like

./run-octave -g
(gdb) run
octave> x = javaObject ("java.lang.Object");
octave> test libinterp/corefcn/lu.cc-tst
... and, assuming the segfault happens:
(gdb) where

It still could be a problem with the way we initialize the JVM or whether we
are properly saving/restoring CPU modes.  As I recall, some JVM
implementations like to set floating point rounding modes and such.  Maybe
there is something else we are missing there?


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