Index: /trunk/src/VBox/Devices/Storage/DrvVD.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/DrvVD.cpp	(revision 74838)
+++ /trunk/src/VBox/Devices/Storage/DrvVD.cpp	(revision 74839)
@@ -2917,5 +2917,5 @@
     {
         uint32_t cNew = ASMAtomicDecU32(&pThis->cIoReqsActive);
-        AssertMsg(cNew != UINT32_MAX, ("Number of active requests underflowed!\n"));
+        AssertMsg(cNew != UINT32_MAX, ("Number of active requests underflowed!\n")); RT_NOREF(cNew);
     }
     else
@@ -3066,5 +3066,5 @@
             RTCritSectLeave(&pThis->CritSectIoReqRedo);
             uint32_t cNew = ASMAtomicDecU32(&pThis->cIoReqsActive);
-            AssertMsg(cNew != UINT32_MAX, ("Number of active requests underflowed!\n"));
+            AssertMsg(cNew != UINT32_MAX, ("Number of active requests underflowed!\n")); RT_NOREF(cNew);
             pThis->pDrvMediaExPort->pfnIoReqStateChanged(pThis->pDrvMediaExPort, pIoReq, &pIoReq->abAlloc[0],
                                                          PDMMEDIAEXIOREQSTATE_SUSPENDED);
@@ -3712,5 +3712,5 @@
     {
         uint32_t cNew = ASMAtomicDecU32(&pThis->cIoReqsActive);
-        AssertMsg(cNew != UINT32_MAX, ("Number of active requests underflowed!\n"));
+        AssertMsg(cNew != UINT32_MAX, ("Number of active requests underflowed!\n")); RT_NOREF(cNew);
     }
 
