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From: "gprocida at google dot com" <sourceware-bugzilla@sourceware.org>
To: libabigail@sourceware.org
Subject: [Bug default/28971] New: changes to symbols unreferenced by debug
 info are not reported
Date: Wed, 16 Mar 2022 14:22:50 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28971

            Bug ID: 28971
           Summary: changes to symbols unreferenced by debug info are not
                    reported
           Product: libabigail
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: default
          Assignee: dodji at redhat dot com
          Reporter: gprocida at google dot com
                CC: libabigail at sourceware dot org
  Target Milestone: ---

Reporting of symbols unreferenced-by-debug-info appears to be restricted to=
 the
reporting of addition/removal only. There is no code to enumerate such symb=
ols
that have changed and then call maybe_report_diff_for_symbol (as far as I c=
an
tell).

The function symbol exported_function_gpl in the existing test file
tests/data/test-abidiff/test-crc-{1,2}.xml has no associated declaration wi=
th
matching elf-symbol-id attribute.

All the exported_function_gpl symbol attributes are the same between the two
files and as expected there is no diff for the symbol in the corresponding
tests/data/test-abidiff/test-crc-report.txt.

However if the CRC attribute, for example, of exported_function_gpl is chan=
ged
in one of the files, no diff is still reported.

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