   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab32d29600> -> %r1
   4  inline_call_r_v <JitCode 'W_STLVectorIter.__init__'>, R[%r1, %r0]
  10  -live- %r1
  13  ref_return %r1
