1 files changed, 1 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 993b65ee8a..b806ce6b6d 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -844,6 +844,7 @@ enum vm_svar_index {
 #define VM_FRAME_MAGIC_EVAL   0x91
 #define VM_FRAME_MAGIC_LAMBDA 0xa1
 #define VM_FRAME_MAGIC_RESCUE 0xb1
+#define VM_FRAME_MAGIC_DUMMY  0xc1
 #define VM_FRAME_MAGIC_MASK_BITS 8
 #define VM_FRAME_MAGIC_MASK   (~(~(VALUE)0<<VM_FRAME_MAGIC_MASK_BITS))