1 files changed, 1 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index bc7e6bec55..4c233fa27f 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -358,6 +358,7 @@ struct rb_iseq_constant_body {
 
 	    unsigned int ambiguous_param0 : 1; /* {|a|} */
 	    unsigned int accepts_no_kwarg : 1;
+            unsigned int ruby2_keywords: 1;
 	} flags;
 
 	unsigned int size;