   0  getarrayitem_gc_r %r1, $0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aac88c19f0> -> %r0
   6  inline_call_ir_r <JitCode 'interp_w__ClassMethod'>, I[$False], R[%r0] -> %r0
  14  -live- %r0, %r1
  14  getarrayitem_gc_r %r1, $1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aac88c19f0> -> %r1
  20  -live- %r0, %r1
  20  jit_force_quasi_immutable %r0, FieldDescr<pypy.interpreter.function.ClassMethod.mutate_w_function>
  24  setfield_gc_r %r0, %r1, FieldDescr<pypy.interpreter.function.ClassMethod.inst_w_function>
  29  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
