[Bug default/28776] New: libprotobuf.so.25.0.0 vfails self test when run on aarch64

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28776

            Bug ID: 28776
           Summary: libprotobuf.so.25.0.0 vfails self test when run on
                    aarch64
           Product: libabigail
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: default
          Assignee: dodji at redhat dot com
          Reporter: woodard at redhat dot com
                CC: libabigail at sourceware dot org
  Target Milestone: ---

When libprotobuf.so.25.0.0 is analyzed on aarch64 it fails self test. However,
when the same library is evaluated using the x86_64 abidw then it cpasses a
self test.

[x86_64] $ abidw --abidiff libprotobuf.so.25.0.0
[x86_64] $ echo $?
0
$ abidw --abidiff /lib64/libprotobuf.so.25.0.0
Functions changes summary: 0 Removed, 5 Changed, 0 Added functions
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

5 functions with some indirect sub-type change:

  [C] 'function const google::protobuf::Option*
google::protobuf::util::converter::FindOptionOrNull(const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&,
google::protobuf::StringPiece)' at utility.cc:143:1 has some indirect sub-type
changes:
    parameter 1 of type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&' has sub-type
changes:
      in referenced type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>':
        in unqualified underlying type 'class
google::protobuf::RepeatedPtrField<google::protobuf::Option>' at
repeated_field.h:921:1:
          type size hasn't changed
          1 base class change:
            'class google::protobuf::internal::RepeatedPtrFieldBase' at
repeated_field.h:578:1 changed:
              type size hasn't changed
              1 data member change:
                type of 'google::protobuf::internal::RepeatedPtrFieldBase::Rep*
rep_' changed:
                  in pointed to type 'struct
google::protobuf::internal::RepeatedPtrFieldBase::Rep' at
repeated_field.h:737:1:
                    type size hasn't changed

  [C] 'function bool
google::protobuf::util::converter::GetBoolOptionOrDefault(const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&,
google::protobuf::StringPiece, bool)' at utility.cc:56:1 has some indirect
sub-type changes:
    parameter 1 of type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&' has sub-type
changes:
      in referenced type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>':
        unqualified underlying type 'class
google::protobuf::RepeatedPtrField<google::protobuf::Option>' changed at
repeated_field.h:921:1, as reported earlier

  [C] 'function double
google::protobuf::util::converter::GetDoubleOptionOrDefault(const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&,
google::protobuf::StringPiece, double)' at utility.cc:76:1 has some indirect
sub-type changes:
    parameter 1 of type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&' has sub-type
changes:
      in referenced type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>':
        unqualified underlying type 'class
google::protobuf::RepeatedPtrField<google::protobuf::Option>' changed at
repeated_field.h:921:1, as reported earlier

  [C] 'function google::protobuf::int64
google::protobuf::util::converter::GetInt64OptionOrDefault(const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&,
google::protobuf::StringPiece, google::protobuf::int64)' at utility.cc:66:1 has
some indirect sub-type changes:
    parameter 1 of type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&' has sub-type
changes:
      in referenced type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>':
        unqualified underlying type 'class
google::protobuf::RepeatedPtrField<google::protobuf::Option>' changed at
repeated_field.h:921:1, as reported earlier

  [C] 'function std::string
google::protobuf::util::converter::GetStringOptionOrDefault(const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&,
google::protobuf::StringPiece, google::protobuf::StringPiece)' at
utility.cc:86:1 has some indirect sub-type changes:
    parameter 1 of type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>&' has sub-type
changes:
      in referenced type 'const
google::protobuf::RepeatedPtrField<google::protobuf::Option>':
        unqualified underlying type 'class
google::protobuf::RepeatedPtrField<google::protobuf::Option>' changed at
repeated_field.h:921:1, as reported earlier


[x86_64] $ sum libprotobuf.so.25.0.0
14359  2913
[aarch64] $ sum /lib64/libprotobuf.so.25.0.0
14359  2913
[aarch64] $ rpm -qf /lib64/libprotobuf.so.25.0.0
 protobuf-3.14.0-6.fc35.aarch64

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