Index: /trunk/src/VBox/Devices/Bus/DevPCI.cpp
===================================================================
--- /trunk/src/VBox/Devices/Bus/DevPCI.cpp	(revision 64705)
+++ /trunk/src/VBox/Devices/Bus/DevPCI.cpp	(revision 64706)
@@ -1566,4 +1566,5 @@
 static DECLCALLBACK(int)   pcibridgeR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
 {
+    RT_NOREF(iInstance);
     PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);