https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82705

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |FIXME

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  /* Doing sibling call optimization needs some work, since
     structure_value_addr can be allocated on the stack.
     It does not seem worth the effort since few optimizable
     sibling calls will return a structure.  */
  if (structure_value_addr != NULL_RTX)
    {
      maybe_complain_about_tail_call (exp, _("callee returns a structure"));
      return false;
    }

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