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-rw-r--r--include/ruby/internal/core/rtypeddata.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/ruby/internal/core/rtypeddata.h b/include/ruby/internal/core/rtypeddata.h
index aadccc238b..bf6423f8d2 100644
--- a/include/ruby/internal/core/rtypeddata.h
+++ b/include/ruby/internal/core/rtypeddata.h
@@ -262,11 +262,9 @@ struct rb_data_type_struct {
RUBY_DATA_FUNC dcompact;
/**
- * This field is reserved for future extension. For now, it must be
- * filled with zeros.
+ * @internal
*/
- void *reserved[1]; /* For future extension.
- This array *must* be filled with ZERO. */
+ void (*handle_weak_references)(void *);
} function;
/**