[tree-ssa] New compile test

[law@redhat.com]

This test (originally from Diego) causes the compiler to abort during
building of the CFG for tree-ssa.


        * gcc.c-torture/compile/20030416-1.c: New test from Diego.


void foo(int x)
{
  if (x > 3)
    {;}
  else
    bar();
  x = 9;
}

main()
{
  int j;

  foo(j);
  return j;
}