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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug symtab/25834] [cc-with-gdb-index] FAIL:
 gdb.dwarf2/dup-psym.exp: info sources should contain only one reference to
 file1.txt (file1.txt seen more than once)
Date: Thu, 16 Apr 2020 10:42:46 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D25834

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simark at simark dot ca,
                   |                            |tromey at sourceware dot o=
rg

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Bisects to:

commit aa3916548076c159ae00a922690694094a37fcd0
Author: Tom Tromey <tromey@adacore.com>
Date:   Thu Jul 18 12:27:16 2019 -0600

    Fix latent bug in .debug_names file-name handling

    An internal Ada test case showed that the .debug_names code does not
    compute the same list of file names as the partial symbol reader.  In
    particular, the partial symbol reader uses the DW_AT_name of the CU:

      /* Allocate a new partial symbol table structure.  */
      filename =3D dwarf2_string_attr (comp_unit_die, DW_AT_name, cu);
      if (filename =3D=3D NULL)
        filename =3D "";

      pst =3D create_partial_symtab (per_cu, filename);

    This patch changes the .debug_names reader to follow.

    gdb/ChangeLog
    2019-09-10  Tom Tromey  <tromey@adacore.com>

            * dwarf2read.c (dw2_get_file_names_reader): Add the
            CU's file name to the results.

    gdb/testsuite/ChangeLog
    2019-09-10  Tom Tromey  <tromey@adacore.com>

            * gdb.ada/dgopt.exp: New file.
            * gdb.ada/dgopt/x.adb: New file.

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