[Bug default/27592] New: dwz: latest binutils change makes some tests FAIL

[Bug default/27592] New: dwz: latest binutils change makes some tests FAIL

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

            Bug ID: 27592
           Summary: dwz: latest binutils change makes some tests FAIL
           Product: dwz
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: default
          Assignee: nobody at sourceware dot org
          Reporter: mliska at suse dot cz
                CC: dwz at sourceware dot org
  Target Milestone: ---

After d6bfbc398158eaa381b08c7cf7b943ac4085d4a6:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=d6bfbc398158eaa381b08c7cf7b943ac4085d4a6

dwz testsuite fails with:
[   57s] FAIL:
/home/abuild/rpmbuild/BUILD/dwz/testsuite/dwz.tests/eu-strip-unstrip-multifile.sh
[   57s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '4' was
not dumped because it does not exist
[   57s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '4' was
not dumped because it does not exist
[   57s] FAIL:
/home/abuild/rpmbuild/BUILD/dwz/testsuite/dwz.tests/hardlink-multifile.sh
[   58s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was
not dumped because it does not exist
[   58s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was
not dumped because it does not exist
[   58s] FAIL:
/home/abuild/rpmbuild/BUILD/dwz/testsuite/dwz.tests/ld-2.26.1-multifile.sh
[   58s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was
not dumped because it does not exist
[   58s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was
not dumped because it does not exist
[   58s] FAIL:
/home/abuild/rpmbuild/BUILD/dwz/testsuite/dwz.tests/multifile-relative.sh
[   59s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was
not dumped because it does not exist
[   59s] readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was
not dumped because it does not exist
[   59s] FAIL: /home/abuild/rpmbuild/BUILD/dwz/testsuite/dwz.tests/multifile.sh

which can be easily reproduced with:
$ g++ ./testsuite/dwz.tests/odr.cc ./testsuite/dwz.tests/odr-2.cc -DKIND=struct
-g -o 1
$ cp 1 2
$ dwz --odr 1 2 -m 3
$ readelf --string-dump=.gnu_debugaltlink 1

String dump of section '.gnu_debugaltlink':
  [     0]  3
.......
readelf: Warning: Section '.gnu_debugaltlink' in linked file '3' was not dumped
because it does not exist

while before the revision, there was no such a warning.

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Yeah, this looks like a duplicate of PR27478, just with a differently
formulated warning.

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

--- Comment #2 from Martin Liska <mliska at suse dot cz> ---
(In reply to Tom de Vries from comment #1)
> Yeah, this looks like a duplicate of PR27478, just with a differently
> formulated warning.

Are we sure? I mean the mentioned PR is fixed with a commit
ca0e11aa4ba877e180f7d40dcc5a89540740c501 (Date:   Thu Mar 4 10:41:22 2021
+0000), but I bisected that to a commit that was pushed yesterday.

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Martin Liska from comment #2)
> (In reply to Tom de Vries from comment #1)
> > Yeah, this looks like a duplicate of PR27478, just with a differently
> > formulated warning.
> 
> Are we sure? I mean the mentioned PR is fixed with a commit
> ca0e11aa4ba877e180f7d40dcc5a89540740c501 (Date:   Thu Mar 4 10:41:22 2021
> +0000), but I bisected that to a commit that was pushed yesterday.

Well, the test-case is identical.  So AFAIU this was fixed for a while and now
regressed again.  In other words, if we mark this as duplicate of PR27478, we
need to reopen PR27478.

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

--- Comment #4 from Martin Liska <mliska at suse dot cz> ---
> In other words, if we mark this as duplicate of
> PR27478, we need to reopen PR27478.

I would do that then.

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Martin Liska from comment #4)
> > In other words, if we mark this as duplicate of
> > PR27478, we need to reopen PR27478.
> 
> I would do that then.

I've tentatively reopened that PR.  Let's see if that gets confirmed.

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

--- Comment #6 from Tom de Vries <vries at gcc dot gnu.org> ---
Ok, that PR got re-fixed.

Now we have instead:
...
FAIL: testsuite/dwz.tests/odr-struct-multifile.sh
...

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[Bug default/27592] dwz: latest binutils change makes some tests FAIL

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27592

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> ---
Fixed by testsuite update:
https://sourceware.org/git/?p=dwz.git;a=commit;h=b1f26dc76158e1f3364836d8b540b17a7a1ccb3d

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