Index: Modules/_json.c
===================================================================
--- Modules/_json.c	(revision 85334)
+++ Modules/_json.c	(working copy)
@@ -564,8 +564,8 @@
                 end += 6;
                 /* Decode 4 hex digits */
                 for (; next < end; next++) {
+                    Py_UNICODE digit = buf[next];
                     c2 <<= 4;
-                    Py_UNICODE digit = buf[next];
                     switch (digit) {
                         case '0': case '1': case '2': case '3': case '4':
                         case '5': case '6': case '7': case '8': case '9':
@@ -755,8 +755,8 @@
                 end += 6;
                 /* Decode 4 hex digits */
                 for (; next < end; next++) {
+                    Py_UNICODE digit = buf[next];
                     c2 <<= 4;
-                    Py_UNICODE digit = buf[next];
                     switch (digit) {
                         case '0': case '1': case '2': case '3': case '4':
                         case '5': case '6': case '7': case '8': case '9':