Index: Python/ast.c
===================================================================
--- Python/ast.c	(revision 70260)
+++ Python/ast.c	(working copy)
@@ -3241,9 +3241,55 @@
 
 #ifdef Py_USING_UNICODE
 static PyObject *
+remove_unicode_escapes(const char *s, size_t *len)
+{
+        PyObject *u;
+        char *buf;
+        char *p;
+        const char *q;
+        const char *end;
+
+        /* Allocate a buffer big enough to hold the new string. The size is six
+         * times bigger, since \u is translated into \u005c\u0075. */
+        u = PyString_FromStringAndSize(NULL, *len * 6);
+        if (!u)
+                return NULL;
+        p = buf = PyString_AS_STRING(u);
+
+        end = s + *len;
+        while (s < end) {
+                *p++ = *s;
+                if (*s++ != '\\')
+                        continue;
+
+                /* Check for a unicode escape sequence: \uXXXX or \UXXXXXXXX.
+                 * If one is found, replace the \ and u or U with the
+                 * equivalent unicode escape characters. */
+                switch (*s) {
+                case 'u':
+                        q = "\\u0075";
+                        goto replace;
+                case 'U':
+                        q = "\\u0055";
+                        goto replace;
+                replace:
+                        strcpy(p, "u005c"); /* \ */
+                        p += 5;
+                        strcpy(p, q);
+                        p += 6;
+                        s += 1;
+                }
+        }
+
+        *len = p - buf;
+        return u;
+}
+
+static PyObject *
 decode_unicode(struct compiling *c, const char *s, size_t len, int rawmode, const char *encoding)
 {
-        PyObject *v, *u;
+        PyObject *u;
+        PyObject *v = NULL;
         char *buf;
         char *p;
         const char *end;
@@ -3297,10 +3343,20 @@
                 len = p - buf;
                 s = buf;
         }
-        if (rawmode)
+        if (rawmode) {
+                PyObject *x = NULL;
+                if (c->c_future_unicode || Py_UnicodeFlag) {
+                        x = remove_unicode_escapes(s, &len);
+                        if (x == NULL)
+                                goto exit;
+                        s = PyString_AsString(x);
+                }
                 v = PyUnicode_DecodeRawUnicodeEscape(s, len, NULL);
+                Py_XDECREF(x);
+        }
         else
                 v = PyUnicode_DecodeUnicodeEscape(s, len, NULL);
+ exit:
         Py_XDECREF(u);
         return v;
 }
Index: Lib/test/test_future4.py
===================================================================
--- Lib/test/test_future4.py	(revision 70260)
+++ Lib/test/test_future4.py	(working copy)
@@ -40,6 +40,9 @@
         self.assertType(u'' '', unicode)
         self.assertType(u'' u'', unicode)
 
+        self.assertEqual(r'\u.bug', '\\u.bug')
+        self.assertEqual(ur'\u.bug', '\\u.bug')
+
 def test_main():
     test_support.run_unittest(TestFuture)