   0  residual_call_ir_i $<* fn ccall_RPyThreadStart__funcPtr>, I[$<* fn wrapper>], R[], <CallDescr(i) EF=7> -> %i0
   8  -live- %i0
   8  -live- %i0
   8  goto_if_not_int_eq %i0, $-1, L1
  13  raise $<* struct object>
  15  ---
  15  L1:
  15  int_return %i0
