1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_opt_split.c b/src/lj_opt_split.c
index 3a02abd4..25c1c234 100644
--- a/src/lj_opt_split.c
+++ b/src/lj_opt_split.c
@@ -645,7 +645,7 @@ static void split_ir(jit_State *J)
       tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), hisubst[op1], oir[op1].prev);
 #endif
       ir->prev = split_emit(J, IRTI(IR_CALLN), tmp, IRCALL_lj_vm_tobit);
-    } else if (ir->o == IR_TOSTR) {
+    } else if (ir->o == IR_TOSTR || ir->o == IR_TMPREF) {
       if (hisubst[ir->op1]) {
         if (irref_isk(ir->op1))
           nir->op1 = ir->op1;