1 files changed, 1 insertions, 10 deletions

diff --git a/src/lj_carith.c b/src/lj_carith.c
index cb7e8db6..cf71aaf5 100644
--- a/src/lj_carith.c
+++ b/src/lj_carith.c
@@ -265,7 +265,7 @@ int lj_carith_op(lua_State *L, MMS mm)
 {
   CTState *cts = ctype_cts(L);
   CDArith ca;
-  if (carith_checkarg(L, cts, &ca)) {
+  if (carith_checkarg(L, cts, &ca) && mm != MM_len && mm != MM_concat) {
     if (carith_int64(L, cts, &ca, mm) || carith_ptr(L, cts, &ca, mm)) {
       copyTV(L, &G(L)->tmptv2, L->top-1);  /* Remember for trace recorder. */
       return 1;
@@ -274,15 +274,6 @@ int lj_carith_op(lua_State *L, MMS mm)
   return lj_carith_meta(L, cts, &ca, mm);
 }
 
-/* No built-in functionality for length of cdata. */
-int lj_carith_len(lua_State *L)
-{
-  CTState *cts = ctype_cts(L);
-  CDArith ca;
-  carith_checkarg(L, cts, &ca);
-  return lj_carith_meta(L, cts, &ca, MM_len);
-}
-
 /* -- 64 bit bit operations helpers --------------------------------------- */
 
 #if LJ_64