8283339: TypeError: undefined is not an Object after JDK-8240299

Reviewed-by: attila

Author: cushon

src/org.openjdk.nashorn/share/classes/org/openjdk/nashorn/internal/objects/NativeObject.java

@@ -198,7 +198,7 @@ public static Object getPrototypeOf(final Object self, final Object obj) {
      */
     @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
     public static Object setPrototypeOf(final Object self, final Object obj, final Object proto) {
-        Global.checkObjectCoercible(self);
+        Global.checkObjectCoercible(obj);
 
         if (obj instanceof ScriptObject) {
             ((ScriptObject)obj).setPrototypeOf(proto);

test/nashorn/script/basic/JDK-8283339.js

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2022, Google LLC. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8283339: Object.setPrototypeOf() should allow static invocation.
+ *
+ * @test
+ * @run
+ */
+
+var foo = function(){
+    var f = Object.setPrototypeOf;
+    var a = f("test", {});
+    print(a);
+};
+foo();

test/nashorn/script/basic/JDK-8283339.js.EXPECTED

@@ -0,0 +1 @@
+test