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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/94221] Explicit assignment in type is ignored in some
 cases
Date: Thu, 19 Mar 2020 11:46:05 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94221

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |10.0
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-03-19
     Ever confirmed|0                           |1
           Keywords|                            |wrong-code

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
test2 lacks a return stmt and initialization of the return value:

test2 ()
{
  {
    struct __st_parameter_dt dt_parm.0;

    dt_parm.0.common.filename =3D &"t.f90"[1]{lb: 1 sz: 1};
    dt_parm.0.common.line =3D 15;
    dt_parm.0.common.flags =3D 128;
    dt_parm.0.common.unit =3D 6;
    _gfortran_st_write (&dt_parm.0);
    _gfortran_transfer_character_write (&dt_parm.0, &"running test - here
test%val is not initialized"[1]{lb: 1 sz: 1}, 47);
    _gfortran_st_write_done (&dt_parm.0);
  }
}

but the caller still expects one:

  a =3D test ();

indeed a frontend issue.=