Index: llvm/trunk/utils/gdb-scripts/prettyprinters.py
===================================================================
--- llvm/trunk/utils/gdb-scripts/prettyprinters.py
+++ llvm/trunk/utils/gdb-scripts/prettyprinters.py
@@ -102,6 +102,8 @@
   def __init__(self, val):
     self.val = val
 
+    __next__ = next
+
   def children(self):
     data = self.val['Data']
     return self._iterator(data, data + self.val['Length'])
@@ -198,6 +200,8 @@
         self.first = False
       return 'x', v
 
+    __next__ = next
+
   def __init__(self, val):
     self.val = val