1 files changed, 1 insertions, 0 deletions
diff --git a/env.h b/env.h
index 56991cbdf2..21f17eb1b9 100644
--- a/env.h
+++ b/env.h
@@ -30,6 +30,7 @@ RUBY_EXTERN struct FRAME {
 void rb_gc_mark_frame _((struct FRAME *));
 
 #define FRAME_DMETH  1
+#define FRAME_FUNC   2
 
 RUBY_EXTERN struct SCOPE {
     struct RBasic super;