message: [TF/XLA] Rename local variable to be more self-descriptive
diff: @@ -556,7 +556,7 @@ Status XlaComputationLaunchContext::PopulateOutputs(
  }
  Status XlaComputationLaunchContext::BuildXlaCompilerArguments(
  - const std::map<int, Tensor>& constant_args,
  + const std::map<int, Tensor>& must_be_constant_args,
  absl::Span<VariableInfo const> variable_args, OpKernelContext* ctx,
  std::vector<XlaCompiler::Argument>* args) {
  args->resize(ctx->num_inputs());
  @@ -572,9 +572,9 @@ Status XlaComputationLaunchContext::BuildXlaCompilerArguments(
  for (int64 input_num = 0; input_num < ctx->num_inputs(); ++input_num) {
  XlaCompiler::Argument& arg = (*args)[input_num];
  - if (constant_args.count(input_num) > 0) {
  + if (must_be_constant_args.count(input_num) > 0) {
  // Handles compile-time constants.
  - const Tensor& input = constant_args.at(input_num);
  + const Tensor& input = must_be_constant_args.at(input_num);
  TF_RET_CHECK(input.dtype() != DT_RESOURCE);
  arg.kind = XlaCompiler::Argument::kConstant;
  arg.type = input.dtype();
  