Hopefully this removes all vestiges of CO_GENERATOR_ALLOWED that can
be removed in 2.x.
diff --git a/Lib/compiler/consts.py b/Lib/compiler/consts.py
index d760982..c79e814 100644
--- a/Lib/compiler/consts.py
+++ b/Lib/compiler/consts.py
@@ -15,7 +15,7 @@
 CO_VARKEYWORDS = 0x0008
 CO_NESTED = 0x0010
 CO_GENERATOR = 0x0020
-CO_GENERATOR_ALLOWED = 0x1000
+CO_GENERATOR_ALLOWED = 0
 CO_FUTURE_DIVISION = 0x2000
 CO_FUTURE_ABSIMPORT = 0x4000
 CO_FUTURE_WITH_STATEMENT = 0x8000