#
#
# patch "lua/lcode.cc"
#  from [a5582b63b0d45d33123d29699e2eba79551fa704]
#    to [e6eacb14c3868e1c1ed01971a2c34f47c60c0f7e]
#
============================================================
--- lua/lcode.cc	a5582b63b0d45d33123d29699e2eba79551fa704
+++ lua/lcode.cc	e6eacb14c3868e1c1ed01971a2c34f47c60c0f7e
@@ -699,7 +699,7 @@ void luaK_prefix (FuncState *fs, UnOpr o
   e2.t = e2.f = NO_JUMP; e2.k = VKNUM; e2.u.nval = 0;
   switch (op) {
     case OPR_MINUS: {
-      if (e->k == VK)
+      if (!isnumeral(e))
         luaK_exp2anyreg(fs, e);  /* cannot operate on non-numeric constants */
       codearith(fs, OP_UNM, e, &e2);
       break;