   0  -live- %f0
   3  goto_if_not_float_lt %f0, $0.0, L1
   8  raise $<* struct object>
  10  ---
  10  L1:
  10  float_sub %f0, %f0 -> %f1
  14  -live- %f0, %f1
  17  goto_if_not_float_eq %f1, $0.0, L2
  22  residual_call_irf_f $<* fn sqrt_nonneg>, I[], R[], F[%f0], <CallDescr(f) EF=0 OS_MATH_SQRT> -> %f0
  31  float_return %f0
  33  ---
  33  L2:
  33  float_return %f0
