   0  inline_call_r_i <JitCode 'c_int_w'>, R[%r0] -> %i0
   6  -live- %i0
   9  inline_call_ir_i <JitCode 'umask'>, I[%i0], R[] -> %i0
  16  -live- %i0
  19  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab3c0185d0> -> %r0
  23  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  28  ref_return %r0
