LFIELDS_PER_FLUSH is an opcode detail

lopcodes.h

@@ -213,16 +213,16 @@ extern const lu_byte luaP_opmodes[NUM_OPCODES];
 #define testOpMode(m, b)        (luaP_opmodes[m] & (1 << (b)))
 
 
-/*
-** constant instructions
-*/
-
-extern const Instruction luaP_yieldop;
-
 /*
 ** opcode names (only included when compiled with LUA_OPNAMES)
 */
 extern const char *const luaP_opnames[];
 
 
+
+/* number of list items to accumulate before a SETLIST instruction */
+/* (must be a power of 2) */
+#define LFIELDS_PER_FLUSH	32
+
+
 #endif