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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: dwz@sourceware.org
Subject: [Bug default/24354] New: Failure to compress causes EXIT_FAILURE in
 multifile mode
Date: Tue, 01 Jan 2019 00:00:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D24354

            Bug ID: 24354
           Summary: Failure to compress causes EXIT_FAILURE in multifile
                    mode
           Product: dwz
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: default
          Assignee: nobody at sourceware dot org
          Reporter: vries at gcc dot gnu.org
                CC: dwz at sourceware dot org
  Target Milestone: ---

When running dwz twice, the second time it does not not manage to compress
further, but the exit status is still 0:
...
$ gcc -g hello.c=20
$ cp a.out 1
$ dwz 1
$ echo $?
0
$ dwz 1
dwz: 1: DWARF compression not beneficial - old size 3466 new size 3466
$ echo $?
0
...

OTOH, if we try this in multifile mode, we get an exit status of 1 instead:
...
$ cp a.out 1
$ cp a.out 2
$ dwz 1 2
$ echo $?
0
$ dwz -m 3 1 2
dwz: 1: DWARF compression not beneficial - old size 3466 new size 3466
dwz: 2: DWARF compression not beneficial - old size 3466 new size 3466
$ echo $?
1
...

--=20
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