1 files changed, 3 insertions, 3 deletions

diff --git a/src/lj_meta.c b/src/lj_meta.c
index 7391ff00..2cdb6a0f 100644
--- a/src/lj_meta.c
+++ b/src/lj_meta.c
@@ -47,7 +47,7 @@ void lj_meta_init(lua_State *L)
 cTValue *lj_meta_cache(GCtab *mt, MMS mm, GCstr *name)
 {
   cTValue *mo = lj_tab_getstr(mt, name);
-  lua_assert(mm <= MM_FAST);
+  lj_assertX(mm <= MM_FAST, "bad metamethod %d", mm);
   if (!mo || tvisnil(mo)) {  /* No metamethod? */
     mt->nomm |= (uint8_t)(1u<<mm);  /* Set negative cache flag. */
     return NULL;
@@ -363,7 +363,7 @@ TValue * LJ_FASTCALL lj_meta_equal_cd(lua_State *L, BCIns ins)
   } else if (op == BC_ISEQN) {
     o2 = &mref(curr_proto(L)->k, cTValue)[bc_d(ins)];
   } else {
-    lua_assert(op == BC_ISEQP);
+    lj_assertL(op == BC_ISEQP, "bad bytecode op %d", op);
     setpriV(&tv, ~bc_d(ins));
     o2 = &tv;
   }
@@ -426,7 +426,7 @@ void lj_meta_istype(lua_State *L, BCReg ra, BCReg tp)
 {
   L->top = curr_topL(L);
   ra++; tp--;
-  lua_assert(LJ_DUALNUM || tp != ~LJ_TNUMX);  /* ISTYPE -> ISNUM broken. */
+  lj_assertL(LJ_DUALNUM || tp != ~LJ_TNUMX, "bad type for ISTYPE");
   if (LJ_DUALNUM && tp == ~LJ_TNUMX) lj_lib_checkint(L, ra);
   else if (tp == ~LJ_TNUMX+1) lj_lib_checknum(L, ra);
   else if (tp == ~LJ_TSTR) lj_lib_checkstr(L, ra);