1 files changed, 7 insertions, 0 deletions
diff --git a/error.c b/error.c
index fc3022f854..8e97f4919d 100644
--- a/error.c
+++ b/error.c
@@ -830,6 +830,13 @@ rb_typeddata_is_kind_of(VALUE obj, const rb_data_type_t *data_type)
     return 1;
 }
 
+#undef rb_typeddata_is_instance_of
+int
+rb_typeddata_is_instance_of(VALUE obj, const rb_data_type_t *data_type)
+{
+    return rb_typeddata_is_instance_of_inline(obj, data_type);
+}
+
 void *
 rb_check_typeddata(VALUE obj, const rb_data_type_t *data_type)
 {