Sync toplevel with upstream GCC.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

include/partition.h

@@ -45,12 +45,12 @@ extern "C" {
 
 struct partition_elem
 {
-  /* The canonical element that represents the class containing this
-     element.  */
-  int class_element;
   /* The next element in this class.  Elements in each class form a
      circular list.  */
   struct partition_elem* next;
+  /* The canonical element that represents the class containing this
+     element.  */
+  int class_element;
   /* The number of elements in this class.  Valid only if this is the
      canonical element for its class.  */
   unsigned class_count;