[Bug tools/23673] TEST ./tests/backtrace-dwarf fails on s390x in at least 0.173

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=23673

--- Comment #22 from Mark Wielaard <mark at klomp dot org> ---
(In reply to Michael Hudson-Doyle from comment #21)
> (In reply to Mark Wielaard from comment #20)
> > (In reply to Michael Hudson-Doyle from comment #19)
> > > I see a similar looking failure on arm64 on Ubuntu 18.10:
> > >   
> > > https://launchpadlibrarian.net/391377304/buildlog_ubuntu-cosmic-arm64.
> > > elfutils_0.170-0.5_BUILDING.txt.gz
> > 
> > So, if possible could you build with current git or 0.174 + the patch from
> > comment #14 or commit 69d6e67eee30c483ba53a8e1da1b3568033e3ddecommit
> > 69d6e67eee30c483ba53a8e1da1b3568033e3dde
> 
> Oh hmm current git passes!  Sorry for the noise.
> 
> Oh and obviously f881459ffc95b6fad51aa055a158ee14814073aa fixes this

Cool. So this is different from the s390x issue.
Which we sadly don't yet understand.

But if that happens again on s390x an inspection of the CFI and whether it
comes from .eh_frame or .debug_frame might be helpful.

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