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  1. JDK
  2. JDK-8058293

Bit set computation in MHs.findFirstDupOrDrop/findFirstDrop is broken

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: P4 P4
    • 9
    • 8u40, 9
    • core-libs

        new tests for LFC (JDK-8057719) fail due to:
        Tested LF caching feature with MethodHandles.permuteArguments method.
        java.lang.ArrayIndexOutOfBoundsException: -1
                at java.lang.invoke.MethodHandles.permuteArguments(MethodHandles.java:2119)
                at TestMethods$7.getMH(TestMethods.java:271)
                at TestMethods.getTestCaseMH(TestMethods.java:541)
                at LFSingleThreadCachingTest.doTest(LFSingleThreadCachingTest.java:62)
                at LambdaFormTestCase.runTests(LambdaFormTestCase.java:98)
                at LFSingleThreadCachingTest.main(LFSingleThreadCachingTest.java:76)
                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
                at java.lang.reflect.Method.invoke(Method.java:498)
                at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
                at java.lang.Thread.run(Thread.java:745)
        FAILED

        test:
        java/lang/invoke/LFCaching/LFSingleThreadCachingTest.java

        options to reproduce:
        -Dseed=9052482610753944656
        -DtestLimit=2000
        -Djava.lang.invoke.MethodHandle.USE_LF_EDITOR=true

              vlivanov Vladimir Ivanov
              iignatyev Igor Ignatyev (Inactive)
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                Created:
                Updated:
                Resolved: