[Bug middle-end/66276] [5 regression] internal compiler error: in get_loop_body, at cfgloop.c:856

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66276

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|x86_64-unknown-linux-gnu    |
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-05-24
                 CC|                            |trippels at gcc dot gnu.org
               Host|x86_64-unknown-linux-gnu    |
     Ever confirmed|0                           |1
              Build|x86_64-unknown-linux-gnu    |
           Severity|critical                    |normal

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
typedef void *modelica_metatype;
struct mmc_struct
{
  void *data[0];
};
int a, c, d;
extern int _setjmp ();
extern void longjmp ();
modelica_metatype
nobox_arrayGet ()
{
  int b = *(int *) 0 >> 1;
  if (a || 0 > b)
    longjmp ();
  return ((struct mmc_struct *) 0)->data[a - 1];
}

modelica_metatype
omc_Matching_PR__FIFO__FAIRrelabel ()
{
  if (_setjmp ())
  tmp2_top:;
  for (; c; c++)
    switch (c)
    case 0:
      {
        int e = (long) nobox_arrayGet ();
        if (e)
          goto goto_1;
        d = (long) nobox_arrayGet ();
        if (d)
          goto goto_1;
      }
goto_1:
  if (0)
    goto tmp2_top;
  return 0;
}