new macro 'condmovestack' instead of 'condhardstacktests'

llimits.h

@@ -1,5 +1,5 @@
 /*
-** $Id: llimits.h,v 1.69 2005/12/27 17:12:00 roberto Exp roberto $
+** $Id: llimits.h,v 1.70 2006/09/11 14:07:24 roberto Exp roberto $
 ** Limits, basic types, and some other `installation-dependent' definitions
 ** See Copyright Notice in lua.h
 */
@@ -120,9 +120,10 @@ typedef lu_int32 Instruction;
 ** macro to control inclusion of some hard tests on stack reallocation
 */
 #ifndef HARDSTACKTESTS
-#define condhardstacktests(x)	((void)0)
+#define condmovestack(L)	((void)0)
 #else
-#define condhardstacktests(x)	x
+#define condmovestack(L) /* realloc stack keeping its size */ \
+	luaD_reallocstack((L), (L)->stacksize - EXTRA_STACK - 1)
 #endif
 
 #endif