code: def testMultiStack(self):
      with self.session(), self.test_scope():
          v = array_ops.placeholder(dtypes.float32)
  
          def fn():
              h1 = gen_data_flow_ops.stack_v2(
                  5, dtypes.float32, stack_name="foo"
              )
              c1 = gen_data_flow_ops.stack_push_v2(h1, v)
              with ops.control_dependencies([c1]):
                  c1 = gen_data_flow_ops.stack_pop_v2(
                      h1, dtypes.float32
                  )
              h2 = gen_data_flow_ops.stack_v2(
                  5, dtypes.float32, stack_name="bar"
              )
              c2 = gen_data_flow_ops.stack_push_v2(h2, 5.0)
              with ops.control_dependencies([c2]):
                  c2 = gen_data_flow_ops.stack_pop_v2(
                      h2, dtypes.float32
                  )
              return c1 + c2
  
          self.assertAllClose(9.0, xla.compile(fn)[0].eval({v: 4.0}))
  
file_path: tensorflow/tensorflow/compiler/tests/stack_ops_test.py
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.compiler.xla import xla
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_data_flow_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the StackOpTest obj's underlying member method code with example usage: obj.testMultiStack() and returns: unknown