/*
* Copyright ( c ) 2016 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* 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 .
*
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*/
/*
* @ test
* @ bug 8067247
* @ modules java . base / jdk . internal . misc
* @ library / test / lib
*
* @ run main / bootclasspath / othervm - Xcomp - Xbatch
* - XX : + UnlockDiagnosticVMOptions - XX : + WhiteBoxAPI
* - XX : CompileCommand = compileonly , compiler . jsr292 . InvokerGC : : test
* compiler . jsr292 . InvokerGC
*/
package compiler.jsr292;
import jdk.test.whitebox.WhiteBox;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
public class InvokerGC {
static final WhiteBox WB = WhiteBox.getWhiteBox();
static MethodHandle mh;
static {
try {
mh = MethodHandles.lookup().findStatic(InvokerGC.class , "dummy" , MethodType.methodType(void .class ));
} catch (Exception e) {
throw new Error(e);
}
}
static void dummy() {}
static void test() {
try {
mh.invoke();
} catch (Throwable e) {
throw new Error(e);
}
}
public static void main(String[] args) throws Throwable {
mh.invoke(); // Pre-generate an invoker for ()V signature
test(); // trigger method compilation
test();
WB.fullGC(); // WB.fullGC has always clear softref policy.
test();
WB.clearInlineCaches(true ); // Preserve static stubs.
test(); // Trigger call site re-resolution. Invoker LambdaForm should stay the same.
System.out.println("TEST PASSED" );
}
}
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(vorverarbeitet am 2026-10-11)
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