Index: utils/gdb-scripts/prettyprinters.py
===================================================================
--- utils/gdb-scripts/prettyprinters.py
+++ utils/gdb-scripts/prettyprinters.py
@@ -123,6 +123,8 @@
       self.done = True
       return ('value', self.member.dereference())
 
+    __next__ = next
+
   def children(self):
     if not self.value['hasVal']:
       return self._iterator('', True)
@@ -178,6 +180,8 @@
         self.first = False
       return 'x', v
 
+    __next__ = next
+
   def __init__(self, val):
     self.val = val