message: Add StopGradient to follow Identity behavior in tensor list decomposition pass
  Else the StopGradientOp fails to verify post.
diff: @@ -818,7 +818,7 @@ LogicalResult DecomposeTensorListOpsInternal(
  decomposed_partitioned_call_callees) {
  for (auto& op : llvm::make_early_inc_range(block->getOperations())) {
  // TODO(yuanzx): Add a pass to remove identities in device computation.
  - if (llvm::isa<TF::IdentityOp, TF::IdentityNOp>(&op)) {
  + if (llvm::isa<TF::IdentityOp, TF::IdentityNOp, TF::StopGradientOp>(&op)) {
  op.replaceAllUsesWith(op.getOperands());
  op.erase();
  } else if (auto list = llvm::dyn_cast<TF::EmptyTensorListOp>(&op)) {
  