Patch #1550800: make exec a function.
diff --git a/Modules/symtablemodule.c b/Modules/symtablemodule.c
index c90d765..95edfea 100644
--- a/Modules/symtablemodule.c
+++ b/Modules/symtablemodule.c
@@ -73,8 +73,7 @@
 	PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
 
 	PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
-	PyModule_AddIntConstant(m, "OPT_EXEC", OPT_EXEC);
-	PyModule_AddIntConstant(m, "OPT_BARE_EXEC", OPT_BARE_EXEC);
+	PyModule_AddIntConstant(m, "OPT_TOPLEVEL", OPT_TOPLEVEL);
 
 	PyModule_AddIntConstant(m, "LOCAL", LOCAL);
 	PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);