update Lua.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/lua/ltm.h b/src/lua/ltm.h
index 99b545e..73b833c 100644
--- a/src/lua/ltm.h
+++ b/src/lua/ltm.h
@@ -46,6 +46,15 @@ typedef enum {
 
 
 /*
+** Mask with 1 in all fast-access methods. A 1 in any of these bits
+** in the flag of a (meta)table means the metatable does not have the
+** corresponding metamethod field. (Bit 7 of the flag is used for
+** 'isrealasize'.)
+*/
+#define maskflags       (~(~0u << (TM_EQ + 1)))
+
+
+/*
 ** Test whether there is no tagmethod.
 ** (Because tagmethods use raw accesses, the result may be an "empty" nil.)
 */