   0  getfield_gc_f_pure %r0, FieldDescr<pypy.objspace.std.floatobject.W_FloatObject.inst_floatval> -> %f0
   5  -live- %f0
   5  goto_if_not_float_ne %f0, $0.0, L1
  10  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  12  ---
  12  L1:
  12  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
