[Debian-med-packaging] Bug#907624: Help for SIGSEGV in test suite needed when built with gcc 8.2 what works nicely with gcc 6.3

[songbird]

In linux.debian.devel.mentors, you wrote:

hello, private reply only,

...
> When I was running the code with some more debugging info activated[1]
> I had pretty valid looking adresses 0x555666 (or something in that line
> just remembering by heart - can activate the patch if needed).  I have
> no idea why the address is this without that extra debug code.

  you should be able to set a watch on just
that address to see what is changing it?


>> > The values of the structure are set in line 350[3] and are OK there.
>> The problem is not about the structure fields but about the structure
>> pointer itself though.
>> ...
>> You need to find out why one of the tree nodes has an invalid address.
>
> Can you propose any means to find this out?  I have no idea about
> specific compiler differences.  BTW, I also tried to set -O0 but this
> did not avoided the SIGSEGV.


  songbird