COMPMID-793 : Add graph intermediate representation

Change-Id: Ic1685de4e19e0ac79669ef2da64e1dc96c7ea0bf
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/115248
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/runtime/SubTensor.h b/arm_compute/runtime/SubTensor.h
index ba2f868..603783f 100644
--- a/arm_compute/runtime/SubTensor.h
+++ b/arm_compute/runtime/SubTensor.h
@@ -37,6 +37,8 @@
 class SubTensor : public ITensor
 {
 public:
+    /** Default Constructor */
+    SubTensor();
     /** Constructor
      *
      * @param[in] parent        Parent tensor