Index: Python-3.4.0rc2/Include/unicodeobject.h
===================================================================
--- Python-3.4.0rc2.orig/Include/unicodeobject.h
+++ Python-3.4.0rc2/Include/unicodeobject.h
@@ -343,6 +343,8 @@ typedef struct {
            the data pointer is filled out. The bit is redundant, and helps
            to minimize the test in PyUnicode_IS_READY(). */
         unsigned int ready:1;
+        /* Pad out to 32 bits to force alignment.  */
+	unsigned int :24;
     } state;
     wchar_t *wstr;              /* wchar_t representation (null-terminated) */
 } PyASCIIObject;
Index: Python-3.4.0rc2/Lib/test/test_sys.py
===================================================================
--- Python-3.4.0rc2.orig/Lib/test/test_sys.py
+++ Python-3.4.0rc2/Lib/test/test_sys.py
@@ -941,7 +941,7 @@ class SizeofTest(unittest.TestCase):
         samples = ['1'*100, '\xff'*50,
                    '\u0100'*40, '\uffff'*100,
                    '\U00010000'*30, '\U0010ffff'*100]
-        asciifields = "nnbP"
+        asciifields = "nn4bP"
         compactfields = asciifields + "nPn"
         unicodefields = compactfields + "P"
         for s in samples: