diff --git a/llimits.h b/llimits.h
index fc5cb276..3f037255 100644
--- a/llimits.h
+++ b/llimits.h
@@ -234,12 +234,12 @@ typedef unsigned long l_uint32;
 
 /* floor division (defined as 'floor(a/b)') */
 #if !defined(luai_numidiv)
-#define luai_numidiv(L,a,b)     ((void)L, l_floor(luai_numdiv(L,a,b)))
+#define luai_numidiv(L,a,b)     l_floor(luai_numdiv(L,a,b))
 #endif
 
 /* float division */
 #if !defined(luai_numdiv)
-#define luai_numdiv(L,a,b)      ((a)/(b))
+#define luai_numdiv(L,a,b)      ((void)L, (a)/(b))
 #endif
 
 /*
@@ -267,10 +267,10 @@ typedef unsigned long l_uint32;
 
 /* the others are quite standard operations */
 #if !defined(luai_numadd)
-#define luai_numadd(L,a,b)      ((a)+(b))
-#define luai_numsub(L,a,b)      ((a)-(b))
-#define luai_nummul(L,a,b)      ((a)*(b))
-#define luai_numunm(L,a)        (-(a))
+#define luai_numadd(L,a,b)      ((void)L, (a)+(b))
+#define luai_numsub(L,a,b)      ((void)L, (a)-(b))
+#define luai_nummul(L,a,b)      ((void)L, (a)*(b))
+#define luai_numunm(L,a)        ((void)L, -(a))
 #define luai_numeq(a,b)         ((a)==(b))
 #define luai_numlt(a,b)         ((a)<(b))
 #define luai_numle(a,b)         ((a)<=(b))
diff --git a/lvm.c b/lvm.c
index c70e2b8a..96ae1639 100644
--- a/lvm.c
+++ b/lvm.c
@@ -268,9 +268,9 @@ static int forprep (lua_State *L, StkId ra) {
 /*
 ** Execute a step of a float numerical for loop, returning
 ** true iff the loop must continue. (The integer case is
-** written online with opcode OP_FORLOOP, for performance.)
+** written inline with opcode OP_FORLOOP, for performance.)
 */
-static int floatforloop (StkId ra) {
+static int floatforloop (lua_State *L, StkId ra) {
   lua_Number step = fltvalue(s2v(ra + 1));
   lua_Number limit = fltvalue(s2v(ra));
   lua_Number idx = fltvalue(s2v(ra + 2));  /* control variable */
@@ -1841,7 +1841,7 @@ void luaV_execute (lua_State *L, CallInfo *ci) {
             pc -= GETARG_Bx(i);  /* jump back */
           }
         }
-        else if (floatforloop(ra))  /* float loop */
+        else if (floatforloop(L, ra))  /* float loop */
           pc -= GETARG_Bx(i);  /* jump back */
         updatetrap(ci);  /* allows a signal to break the loop */
         vmbreak;