Fix gdb pretty printers to work with Python 3.

Differential Revision: https://reviews.llvm.org/D23202

llvm-svn: 277833

llvm/utils/gdb-scripts/prettyprinters.py

@@ -46,6 +46,8 @@ class SmallVectorPrinter:
       self.cur = self.cur + 1
       return '[%d]' % count, cur.dereference()
 
+    __next__ = next
+
   def __init__(self, val):
     self.val = val
 
@@ -86,6 +88,8 @@ class ArrayRefPrinter:
       self.cur = self.cur + 1
       return '[%d]' % count, cur.dereference()
 
+    __next__ = next
+
   def __init__(self, val):
     self.val = val