diff -r 56cd8111b7f7 -r 41300fa6a67c src/dbus/qdbuspendingreply.h
--- a/src/dbus/qdbuspendingreply.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/dbus/qdbuspendingreply.h	Tue Feb 02 00:43:10 2010 +0200
@@ -188,6 +188,7 @@
 private:
     inline void calculateMetaTypes()
     {
+        if (!d) return;
         int typeIds[Count > 0 ? Count : 1]; // use at least one since zero-sized arrays aren't valid
         ForEach::fillMetaTypes(typeIds);
         setMetaTypes(Count, typeIds);