[Bug tree-optimization/18921] New: [4.0 Regression] wrong code with operator "?"

["belyshev at lubercy dot com" <gcc-bugzilla at gcc dot gnu dot org>]

this program aborts if compiled with any options:
----------------------------------------------------------------------------------------
extern void abort (void);

int foo (int k)
{
  unsigned char j = 0;
  (k ? 0 : j++) == -1;
  return j;
}

int main ()
{
  if (!foo (0))
    abort ();
  return 0;
}
----------------------------------------------------------------------------------------

-- 
           Summary: [4.0 Regression] wrong code with operator "?"
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: critical
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: belyshev at lubercy dot com
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18921