[Bug tree-optimization/19937] [4.0 regression] Wrong loop exit

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-13 
16:44 -------
Reduced testcase:
void abort (void);
int g(void)
{
  return 1;
}
int main (void)
{   
  int i;
  for (i = 4; i--;)   
    if (g () == 0)   
      break;
  if (i >= 0)   
    abort ();   
  return 0;   
}


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rakdver at gcc dot gnu dot
                   |                            |org
          Component|c                           |tree-optimization


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19937