1 files changed, 3 insertions, 6 deletions

diff --git a/src/lj_asm_x86.h b/src/lj_asm_x86.h
index 38069e1d..4465efa2 100644
--- a/src/lj_asm_x86.h
+++ b/src/lj_asm_x86.h
@@ -1768,14 +1768,11 @@ static void asm_sload(ASMState *as, IRIns *ir)
   if ((ir->op2 & IRSLOAD_TYPECHECK)) {
     /* Need type check, even if the load result is unused. */
     asm_guardcc(as, irt_isnum(t) ? CC_AE : CC_NE);
-    if (LJ_64 && irt_type(t) >= IRT_NUM) {
+    if ((LJ_64 && irt_type(t) >= IRT_NUM) || (ir->op2 & IRSLOAD_KEYINDEX)) {
       lj_assertA(irt_isinteger(t) || irt_isnum(t),
                  "bad SLOAD type %d", irt_type(t));
-#if LJ_GC64
-      emit_u32(as, LJ_TISNUM << 15);
-#else
-      emit_u32(as, LJ_TISNUM);
-#endif
+      emit_u32(as, (ir->op2 & IRSLOAD_KEYINDEX) ? LJ_KEYINDEX :
+                   LJ_GC64 ? (LJ_TISNUM << 15) : LJ_TISNUM);
       emit_rmro(as, XO_ARITHi, XOg_CMP, base, ofs+4);
 #if LJ_GC64
     } else if (irt_isnil(t)) {