1 files changed, 3 insertions, 0 deletions
diff --git a/insns.def b/insns.def
index 8f25fdcd07..49faec5d09 100644
--- a/insns.def
+++ b/insns.def
@@ -533,6 +533,9 @@ splatarray
     if (NIL_P(tmp)) {
 	tmp = rb_ary_new3(1, ary);
     }
+    else if (RTEST(flag)) {
+	tmp = rb_ary_dup(tmp);
+    }
     obj = tmp;
 }