Index: /trunk/src/VBox/VMM/include/PDMInternal.h
===================================================================
--- /trunk/src/VBox/VMM/include/PDMInternal.h	(revision 60398)
+++ /trunk/src/VBox/VMM/include/PDMInternal.h	(revision 60399)
@@ -1085,4 +1085,7 @@
     /** List of registered drivers. (FIFO) */
     R3PTRTYPE(PPDMDRV)              pDrvs;
+#if HC_ARCH_BITS == 32
+    RTR3PTR                         uPadding0; /**< Alignment padding. */
+#endif
     /** PCI Buses. */
     PDMPCIBUS                       aPciBuses[PDM_PCI_BUSSES_MAX];