Index: contrib/lua/src/lvm.c
===================================================================
--- contrib/lua/src/lvm.c
+++ contrib/lua/src/lvm.c
@@ -279,6 +279,7 @@
 ** in false.
 */
 static int LTintfloat (lua_Integer i, lua_Number f) {
+#if LUA_FLOAT_TYPE != LUA_FLOAT_INT64
 #if defined(l_intfitsf)
   if (!l_intfitsf(i)) {
     if (f >= -cast_num(LUA_MININTEGER))  /* -minint == maxint + 1 */
@@ -290,6 +291,9 @@
   }
 #endif
   return luai_numlt(cast_num(i), f);  /* compare them as floats */
+#else
+  return 0;
+#endif
 }
 
 
@@ -298,6 +302,7 @@
 ** See comments on previous function.
 */
 static int LEintfloat (lua_Integer i, lua_Number f) {
+#if LUA_FLOAT_TYPE != LUA_FLOAT_INT64
 #if defined(l_intfitsf)
   if (!l_intfitsf(i)) {
     if (f >= -cast_num(LUA_MININTEGER))  /* -minint == maxint + 1 */
@@ -309,9 +314,11 @@
   }
 #endif
   return luai_numle(cast_num(i), f);  /* compare them as floats */
+#else
+  return 0;
+#endif
 }
 
-
 /*
 ** Return 'l < r', for numbers.
 */
Index: stand/liblua/luaconf.h
===================================================================
--- stand/liblua/luaconf.h
+++ stand/liblua/luaconf.h
@@ -450,9 +450,7 @@
 ** and therefore its conversion to float may have an ill-defined value.)
 */
 #define lua_numbertointeger(n,p) \
-  ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \
-   (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \
-      (*(p) = (LUA_INTEGER)(n), 1))
+      (*(p) = (LUA_INTEGER)(n), 1)
 
 
 /* now the variable definitions */