   0  residual_call_ir_r $<* fn _ll_1_threadlocalref_get__Ptr_GcStruct_objectLlT_Signed>, I[$CDefinedIntSymbolic('RPY_TLOFS_tlref1')], R[], <CallDescr(i) EF=1 OS_THREADLOCALREF_GET> -> %r0
   8  -live- %r0
  11  record_quasiimmut_field %r0, FieldDescr<pypy.interpreter.executioncontext.ExecutionContext.inst_w_tracefunc>, FieldDescr<pypy.interpreter.executioncontext.ExecutionContext.mutate_w_tracefunc>
  17  getfield_gc_r_pure %r0, FieldDescr<pypy.interpreter.executioncontext.ExecutionContext.inst_w_tracefunc> -> %r0
  22  -live- %r0
  25  ref_guard_value %r0
  27  ref_return %r0
