1 files changed, 4 insertions, 1 deletions
diff --git a/include/mruby/irep.h b/include/mruby/irep.h
index 9ff523d33..0d8a05dbe 100644
--- a/include/mruby/irep.h
+++ b/include/mruby/irep.h
@@ -18,10 +18,13 @@ typedef struct mrb_irep {
   int nregs;
 
   mrb_code *iseq;
-  short *lines;
   mrb_value *pool;
   mrb_sym *syms;
 
+  /* debug info */
+  const char *filename;
+  short *lines;
+
   int ilen, plen, slen;
 } mrb_irep;