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-rw-r--r--src/state.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/state.c b/src/state.c
index 898e77336..1259ac3a0 100644
--- a/src/state.c
+++ b/src/state.c
@@ -141,7 +141,7 @@ mrb_irep_free(mrb_state *mrb, mrb_irep *irep)
if (!(irep->flags & MRB_ISEQ_NO_FREE))
mrb_free(mrb, irep->iseq);
- for (i=0; i<irep->plen; i++) {
+ if (irep->pool) for (i=0; i<irep->plen; i++) {
if (mrb_type(irep->pool[i]) == MRB_TT_STRING) {
mrb_gc_free_str(mrb, RSTRING(irep->pool[i]));
mrb_free(mrb, mrb_obj_ptr(irep->pool[i]));