# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1386526455 -3600
# Node ID 9035bca8d1290c2f21f855cdb6caaffe7f9f7d83
# Parent  a12c5b0c431b443593e07321cd6fe56d9052caec
Made operator-using nodes attribute accessors in order to permit optimisations.

diff -r a12c5b0c431b -r 9035bca8d129 compiler/ast.py
--- a/compiler/ast.py	Thu Nov 28 22:27:16 2013 +0100
+++ b/compiler/ast.py	Sun Dec 08 19:14:15 2013 +0100
@@ -119,11 +119,12 @@
         self._attrs_deduced_from_specific_usage = None
         self._position_deduced = None
 
-class OperatorUser:
+class OperatorUser(AttributeAccessor):
 
     "Operator-related node."
 
     def __init__(self):
+        AttributeAccessor.__init__(self)
         self._module = None
 
 class Node(AttributeUser):
@@ -1837,10 +1838,9 @@
     def visit(self, visitor, *args):
         return visitor.visitSub(self, *args)
 
-class Subscript(Node, AttributeAccessor, OperatorUser):
+class Subscript(Node, OperatorUser):
     def __init__(self, expr, flags, subs, lineno=None):
         Node.__init__(self)
-        AttributeAccessor.__init__(self)
         OperatorUser.__init__(self)
         self.expr = expr
         self.flags = flags