[Bug default/27086] New: file reports errors with itself

[Bug default/27086] New: file reports errors with itself

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

            Bug ID: 27086
           Summary: file reports errors with itself
           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: ---

with master as of 9fc16dbc

abidw --abidiff
/home/ben/Shared/Work/spack/opt/spack/linux-fedora33-skylake/gcc-10.2.1/miniconda3-4.8.2-oudnbhbtypfh2ozp37mvcmbef4p2gjcv/lib/libstdc++.so.6.0.26

reports hundreds of differences with itself beginning with:

Functions changes summary: 0 Removed, 634 Changed, 0 Added functions
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

634 functions with some indirect sub-type change:

  [C] 'method void std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char>
>::basic_istringstream(std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >&&)' at sstream:477:1 has some
indirect sub-type changes:
    implicit parameter 0 of type 'std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >*' has sub-type changes:
      in pointed to type 'class std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >' at sstream:392:1:
        type size hasn't changed
        1 base class change:
          'class std::basic_istream<char, std::char_traits<char> >' at
istream:58:1 changed:
            type size hasn't changed
            2 member function insertions:
              'method virtual std::basic_istream<char, std::char_traits<char>
>::~basic_istream()' at istream:103:1, virtual at voffset 0/0
              'method virtual std::basic_istream<char, std::char_traits<char>
>::~basic_istream(int, void**)' at istream:103:1
            2 member function changes:
              'method virtual std::basic_istream<char, std::char_traits<char>
>::~basic_istream(int, void**)' has some sub-type changes:
                implicit parameter 0 of type 'std::basic_istream<char,
std::char_traits<char> >*' has sub-type changes:
                  pointed to type 'class std::basic_istream<char,
std::char_traits<char> >' changed, as being reported
              'method virtual std::basic_istream<char, std::char_traits<char>
>::~basic_istream()' has some sub-type changes:
                implicit parameter 0 of type 'std::basic_istream<char,
std::char_traits<char> >*' has sub-type changes:
                  pointed to type 'class std::basic_istream<char,
std::char_traits<char> >' changed, as being reported
        2 member function changes:
          'method virtual std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >::~basic_istringstream(int,
void**)' has some sub-type changes:
            implicit parameter 0 of type
'std::__cxx11::basic_istringstream<char, std::char_traits<char>,
std::allocator<char> >*' has sub-type changes:
              pointed to type 'class std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >' changed, as being reported
          'method virtual std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >::~basic_istringstream()' has
some sub-type changes:
            implicit parameter 0 of type
'std::__cxx11::basic_istringstream<char, std::char_traits<char>,
std::allocator<char> >*' has sub-type changes:
              pointed to type 'class std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >' changed, as being reported
    parameter 1 of type 'std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >&&' has sub-type changes:
      referenced type 'class std::__cxx11::basic_istringstream<char,
std::char_traits<char>, std::allocator<char> >' changed at sstream:392:1, as
reported earlier

The origin appears to be:

 'method virtual std::basic_istream<char, std::char_traits<char>
>::~basic_istream()' at istream:103:1, virtual at voffset 0/0
 'method virtual std::basic_istream<char, std::char_traits<char>
>::~basic_istream(int, void**)' at istream:103:1

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[Bug default/27086] file reports errors with itself

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

--- Comment #1 from Ben Woodard <woodard at redhat dot com> ---
Created attachment 13057
  --> https://sourceware.org/bugzilla/attachment.cgi?id=13057&action=edit
compressed reproducer file

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[Bug default/27086] file reports errors with itself

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

Ben Woodard <woodard at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |27019


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=27019
[Bug 27019] BUILD metabug
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[Bug default/27086] file reports errors with itself

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

--- Comment #2 from Ben Woodard <woodard at redhat dot com> ---
continues to happen with: b00ba10e1deae4eae58cb783c01c69f384f392c1

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[Bug default/27086] file reports errors with itself

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

--- Comment #3 from Ben Woodard <woodard at redhat dot com> ---
This appears to continue to be a problem the trunk as of:
190350a35f842574cf15b9a98f1ccbc3aa31a840

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[Bug default/27086] embedded version of libstdc++ in miniconda3 does not self-compare

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

Ben Woodard <woodard at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|file reports errors with    |embedded version of
                   |itself                      |libstdc++ in miniconda3
                   |                            |does not self-compare

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[Bug default/27086] embedded version of libstdc++ in miniconda3 does not self-compare

[woodard at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

--- Comment #4 from Ben Woodard <woodard at redhat dot com> ---
This continues to manifest with trunk as of
7488c8df3bf10750ce059a0ec1d44d8149149c86

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[Bug default/27086] embedded version of libstdc++ in miniconda3 does not self-compare

[dodji at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

dodji at redhat dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED

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[Bug default/27086] embedded version of libstdc++ in miniconda3 does not self-compare

[dodji at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27086

dodji at redhat dot com changed:

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

--- Comment #5 from dodji at redhat dot com ---
This should be fixed by commit
https://sourceware.org/git/?p=libabigail.git;a=commit;h=c00add2a211d7d6a380ce5a248accca978975933.

The fix should be available in libabigail 2.0.

Thanks for reporting the issue, and sorry for the inconvenience.

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