Index: lib/Analysis/ScopInfo.cpp
===================================================================
--- lib/Analysis/ScopInfo.cpp
+++ lib/Analysis/ScopInfo.cpp
@@ -3350,6 +3350,7 @@
   isl_union_pw_multi_aff *Res;
 };
 
+#ifndef NDEBUG
 // @brief Create a function that maps the elements of 'Set' to its N-th
 //        dimension and add it to User->Res.
 //
@@ -3376,6 +3377,7 @@
 
   return isl_stat_ok;
 }
+#endif
 
 // @brief Create an isl_multi_union_aff that defines an identity mapping
 //        from the elements of USet to their N-th dimension.
@@ -3404,9 +3406,11 @@
 
   Data = {N, PwAff};
 
+#ifndef NDEBUG
   auto Res = isl_union_set_foreach_set(USet, &mapToDimension_AddSet, &Data);
 
   assert(Res == isl_stat_ok);
+#endif
 
   isl_union_set_free(USet);
   return isl_multi_union_pw_aff_from_union_pw_multi_aff(Data.Res);