message: Avoid unused variable warnings from XLA_MAKE_BINARY
diff: @@ -43,6 +43,9 @@ namespace {
  const std::vector<int64>& extend_dimensions) override { \
  xla::XlaBuilder* b = ctx->builder(); \
  (void)b; \
  + (void)lhs_shape; \
  + (void)rhs_shape; \
  + (void)extend_dimensions; \
  return HLO; \
  } \
  }; \
  