tree eff4265d37264647020f2149cad369600b2c91a5
parent 9ae37aaee1211d627930c9f92e3ef0e667d3ea6a
author A. Unique TensorFlower <gardener@tensorflow.org> 1594322216 -0700
committer TensorFlower Gardener <gardener@tensorflow.org> 1594329637 -0700

Enable importing graph with tf.function nested in a while body inside a tf.function and computing its gradient.

PiperOrigin-RevId: 320447739
Change-Id: I022b492917b8259c9a4ce44d1c73f8186159a1dd