java-topology/test/hotspot/jtreg/runtime/cds/appcds/resolvedConstants/StringConcatTestOld.jasm
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00

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/*
* Copyright (c) 2024, Oracle and/or its affiliates. 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.
*
*/
/*
decompiled from
class OldConsumer {}
class StringConcatTestOld {
public static void main(String args[]) {
System.out.println("StringConcatTestOld <concat> " + new OldConsumer());
}
}
(1) Comment out this line
invokestatic Method java/lang/String.valueOf:"(Ljava/lang/Object;)Ljava/lang/String;";
(2) Change the MethodType parameter of makeConcatWithConstants from
"(Ljava/lang/String;)Ljava/lang/String;"
->
"(LOldConsumer;)Ljava/lang/String;"
*/
super class StringConcatTestOld
version 67:0
{
Method "<init>":"()V"
stack 1 locals 1
{
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
public static Method main:"([Ljava/lang/String;)V"
stack 3 locals 1
{
getstatic Field java/lang/System.out:"Ljava/io/PrintStream;";
new class OldConsumer;
dup;
invokespecial Method OldConsumer."<init>":"()V";
//invokestatic Method java/lang/String.valueOf:"(Ljava/lang/Object;)Ljava/lang/String;";
invokedynamic InvokeDynamic REF_invokeStatic:Method java/lang/invoke/StringConcatFactory.makeConcatWithConstants:"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;":makeConcatWithConstants:"(LOldConsumer;)Ljava/lang/String;" {
String "StringConcatTestOld <concat> "
};
invokevirtual Method java/io/PrintStream.println:"(Ljava/lang/String;)V";
return;
}
public static final InnerClass Lookup=class java/lang/invoke/MethodHandles$Lookup of class java/lang/invoke/MethodHandles;
} // end Class StringConcatTestOld