Patch #1550800: make exec a function.
diff --git a/Include/symtable.h b/Include/symtable.h
index 1e5996d..f40bfa4 100644
--- a/Include/symtable.h
+++ b/Include/symtable.h
@@ -88,11 +88,9 @@
#define FREE 4
#define CELL 5
-/* The following three names are used for the ste_unoptimized bit field */
+/* The following two names are used for the ste_unoptimized bit field */
#define OPT_IMPORT_STAR 1
-#define OPT_EXEC 2
-#define OPT_BARE_EXEC 4
-#define OPT_TOPLEVEL 8 /* top-level names, including eval and exec */
+#define OPT_TOPLEVEL 2 /* top-level names, including eval and exec */
#define GENERATOR 1
#define GENERATOR_EXPRESSION 2