diff -r ef0373b55136 -r 758a864f9613 src/corelib/tools/qstring.h
--- a/src/corelib/tools/qstring.h	Fri Sep 17 08:34:18 2010 +0300
+++ b/src/corelib/tools/qstring.h	Mon Oct 04 01:19:32 2010 +0300
@@ -616,6 +616,7 @@
         ushort asciiCache : 1;
         ushort capacity : 1;
         ushort reserved : 11;
+        // ### Qt5: try to ensure that "array" is aligned to 16 bytes on both 32- and 64-bit
         ushort array[1];
     };
     static Data shared_null;