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  1. JDK
  2. JDK-8064467

Deoptimization type information persistence doesn't work - "Failed to calculate version dir name"

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Details

    • Bug
    • Resolution: Fixed
    • P3
    • 9
    • 8u40, 9
    • core-libs
    • b40
    • generic
    • generic
    • Verified

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      Description

        Run test script :

        var x = { a: 2, b:1 };
        x.a = Number.POSITIVE_INFINITY;
        x.b = 0;
        print(x.a/x.b);

        with options: -Dnashorn.typeInfo.maxFiles=100 --log=recompile:fine

        output :
        [recompile] Parameter type specialization of ':program' signature: (Object,Object)Object
        [recompile] Failed to calculate version dir namejava.lang.NullPointerException
        [recompile] Looking up ':program' type=(ScriptFunction,Object)Object
        [recompile] Looking up ':program' type=(ScriptFunction,Object)Object
        [recompile] RewriteException [pp=9, type=double, value=Infinityd)]
        [recompile] Deoptimizing recompilation (up to bytecode) ':program' signature: (ScriptFunction,Object)Object [2->D] [9->D]
        [recompile] Reusable IR generated
        [recompile] Generating and installing bytecode from reusable IR...
        [recompile] Rest-of compilation [CODE PIPELINE REUSE] ':program' signature: (ScriptFunction,Object)Object [2->D] [9->D]
        [recompile] Done.
        [recompile] Recompiled ':program' (0x0ea6147e) can still be deoptimized.
        [recompile] Looking up invoker...
        [recompile] Looking up ':program' type=(ScriptFunction,Object)Object
        [recompile] Done: MethodHandle(ScriptFunction,Object)Object
        [recompile] Looking up ':program' type=(RewriteException)Object
        Infinity

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                attila Attila Szegedi
                slugovoy Sergey Lugovoy (Inactive)
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                  Created:
                  Updated:
                  Resolved: