From ac78f84b729602f0c2a5c5f31e37f2147622edef Mon Sep 17 00:00:00 2001
From: Antonio Sanchez <cantonios@google.com>
Date: Tue, 29 Mar 2022 14:20:13 -0700
Subject: [PATCH] Eliminate trace unused warning.

(cherry picked from commit 9bc9992dd37e0379be888186a234b7641af306f7)
---
 unsupported/Eigen/CXX11/src/Tensor/TensorTrace.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorTrace.h b/unsupported/Eigen/CXX11/src/Tensor/TensorTrace.h
index 926ecdd38..bbd2ff332 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorTrace.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorTrace.h
@@ -134,6 +134,7 @@ struct TensorEvaluator<const TensorTraceOp<Dims, ArgType>, Device>
       }
     }
 
+    EIGEN_ONLY_USED_FOR_DEBUG(num_distinct_reduce_dims);
     eigen_assert(num_distinct_reduce_dims == NumReducedDims);
 
     // Compute the dimensions of the result.