change in opcode OP_LOADNIL: B is used as a counter instead of a

register. (Avoids an assignment to R(B), not present in any other
instruction.)

lopcodes.h

@@ -1,5 +1,5 @@
 /*
-** $Id: lopcodes.h,v 1.139 2011/02/07 12:24:42 roberto Exp roberto $
+** $Id: lopcodes.h,v 1.140 2011/04/07 18:14:12 roberto Exp roberto $
 ** Opcodes for Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -170,7 +170,7 @@ OP_MOVE,/*	A B	R(A) := R(B)					*/
 OP_LOADK,/*	A Bx	R(A) := Kst(Bx)					*/
 OP_LOADKX,/*	A 	R(A) := Kst(extra arg)				*/
 OP_LOADBOOL,/*	A B C	R(A) := (Bool)B; if (C) pc++			*/
-OP_LOADNIL,/*	A B	R(A) := ... := R(B) := nil			*/
+OP_LOADNIL,/*	A B	R(A), R(A+1), ..., R(A+B) := nil		*/
 OP_GETUPVAL,/*	A B	R(A) := UpValue[B]				*/
 
 OP_GETTABUP,/*	A B C	R(A) := UpValue[B][RK(C)]			*/