code: def _is_indirect_jump(_, sim_successors):
          
  
          if sim_successors.artifacts['irsb_direct_next']:
              # It's a direct jump
              return False
  
          default_jumpkind = sim_successors.artifacts['irsb_default_jumpkind']
          if default_jumpkind not in ('Ijk_Call', 'Ijk_Boring', 'Ijk_InvalICache'):
              # It's something else, like a ret of a syscall... we don't care about it
              return False
  
          return True
docs: Determine if this SimIRSB has an indirect jump as its exit