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  1. JDK
  2. JDK-6837094

False positive for "meet not symmetric" failure

    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: hs16
    • Fix Version/s: hs16
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b06
    • CPU:
      x86
    • OS:
      solaris_10
    • Verification:
      Verified

      Backports

        Description

        The attached java program, when compiled and run with debug -server VM, aborts with a "Meet Not Symmetric" failure.

        % bin/java -Xbatch -server Test
        === Meet Not Symmetric ===
        t = Interface:TopPTR *,iid=top[int:max..0]
        this= Parent:TopPTR *,iid=top[int:1]
        mt=(t meet this)= Interface:TopPTR *[int:1]
        t_dual= Interface *[int:>=0]
        this_dual= Parent *[int:1]
        mt_dual= Interface *,iid=top[int:1]
        mt_dual meet t_dual= Interface *[int:>=0]
        mt_dual meet this_dual= java/lang/Object *[int:1]
        # To suppress the following error report, specify this argument
        # after -XX: or in .hotspotrc: SuppressErrorAt=/type.cpp:532
        #
        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (/BUILD_AREA/jdk7/hotspot/src/share/vm/opto/type.cpp:532), pid=2342, tid=10
        # Error: meet not symmetric
        #
        # JRE version: 7.0-b57
        # Java VM: Java HotSpot(TM) Server VM (16.0-b02-fastdebug mixed mode solaris-x86 )

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                • Assignee:
                  kvn Vladimir Kozlov
                  Reporter:
                  kvn Vladimir Kozlov
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                  • Created:
                    Updated:
                    Resolved:
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