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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/57079] [Fortran-dev] version/type/attribute fields not
 set with CLASS components
Date: Sat, 18 Dec 2021 02:37:00 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D57079

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Something changed in GCC 8 and we get:
  <bb 4> :
  x_22 =3D __builtin_malloc (144);
  if (x_22 =3D=3D 0B)
    goto <bb 5>; [INV]
  else
    goto <bb 6>; [INV]

  <bb 5> :
  _gfortran_os_error (&"Allocation would exceed memory limit"[1]{lb: 1 sz: =
1});
...
And no more __builtin_calloc either.=