1 files changed, 7 insertions, 3 deletions

diff --git a/src/lj_carith.c b/src/lj_carith.c
index cf71aaf5..65ad2c10 100644
--- a/src/lj_carith.c
+++ b/src/lj_carith.c
@@ -122,7 +122,7 @@ static int carith_ptr(lua_State *L, CTState *cts, CDArith *ca, MMS mm)
         setboolV(L->top-1, ((uintptr_t)pp < (uintptr_t)pp2));
         return 1;
       } else {
-        lua_assert(mm == MM_le);
+        lj_assertL(mm == MM_le, "bad metamethod %d", mm);
         setboolV(L->top-1, ((uintptr_t)pp <= (uintptr_t)pp2));
         return 1;
       }
@@ -208,7 +208,9 @@ static int carith_int64(lua_State *L, CTState *cts, CDArith *ca, MMS mm)
         *up = lj_carith_powu64(u0, u1);
       break;
     case MM_unm: *up = (uint64_t)-(int64_t)u0; break;
-    default: lua_assert(0); break;
+    default:
+      lj_assertL(0, "bad metamethod %d", mm);
+      break;
     }
     lj_gc_check(L);
     return 1;
@@ -301,7 +303,9 @@ uint64_t lj_carith_shift64(uint64_t x, int32_t sh, int op)
   case IR_BSAR-IR_BSHL: x = lj_carith_sar64(x, sh); break;
   case IR_BROL-IR_BSHL: x = lj_carith_rol64(x, sh); break;
   case IR_BROR-IR_BSHL: x = lj_carith_ror64(x, sh); break;
-  default: lua_assert(0); break;
+  default:
+    lj_assertX(0, "bad shift op %d", op);
+    break;
   }
   return x;
 }