   0  getfield_gc_r $<* struct pypy.module.imp.importing.ImportRLock>, FieldDescr<pypy.module.imp.importing.ImportRLock.inst_lockowner> -> %r0
   5  -live- %r0
   8  goto_if_not_ptr_iszero %r0, L1
  12  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  14  ---
  14  L1:
  14  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
