Index: /trunk/src/VBox/VMM/PGMInternal.h
===================================================================
--- /trunk/src/VBox/VMM/PGMInternal.h	(revision 456)
+++ /trunk/src/VBox/VMM/PGMInternal.h	(revision 457)
@@ -877,4 +877,6 @@
     STAMCOUNTER     StatCacheUncacheable;
 # endif
+#elif HC_ARCH_BITS == 64 && GC_ARCH_BITS == 32
+    uint32_t        Alignment1;         /**< Align the next member on a 64-bit boundrary. */
 #endif
     /** The AVL tree for looking up a page by its HC physical address. */