JIT: Fix loop index printing (#110080)

Author: jakobbotsch

src/coreclr/jit/optimizer.cpp

@@ -4161,7 +4161,7 @@ void Compiler::optRecordLoopMemoryDependence(GenTree* tree, BasicBlock* block, V
 
         JITDUMP("      ==> Not updating loop memory dependence of [%06u]/" FMT_LP ", memory definition " FMT_VN
                 "/" FMT_LP " is not dependent on an ancestor loop\n",
-                dspTreeID(tree), blockLoop->GetIndex(), memoryVN, vnStore->LoopOfVN(memoryVN));
+                dspTreeID(tree), blockLoop->GetIndex(), memoryVN, vnStore->LoopOfVN(memoryVN)->GetIndex());
 #endif
         return;
     }