1 files changed, 16 insertions, 0 deletions
diff --git a/src/etc.c b/src/etc.c
index 58b1c91c0..96ddca05b 100644
--- a/src/etc.c
+++ b/src/etc.c
@@ -9,6 +9,7 @@
 #include "mruby/data.h"
 #include "mruby/class.h"
 #include "mruby/re.h"
+#include "mruby/irep.h"
 
 struct RData*
 mrb_data_object_alloc(mrb_state *mrb, struct RClass *klass, void *ptr, const mrb_data_type *type)
@@ -182,3 +183,18 @@ mrb_regexp_p(mrb_state *mrb, mrb_value v)
 {
   return mrb_class_defined(mrb, REGEXP_CLASS) && mrb_obj_is_kind_of(mrb, v, mrb_class_get(mrb, REGEXP_CLASS));
 }
+
+void
+mrb_irep_remove_lv(mrb_state *mrb, mrb_irep *irep)
+{
+  size_t i;
+
+  if (irep->lv) {
+    mrb_free(mrb, irep->lv);
+    irep->lv = NULL;
+  }
+
+  for (i = 0; i < irep->rlen; ++i) {
+    mrb_irep_remove_lv(mrb, irep->reps[i]);
+  }
+}