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IZ88514: SWITCH STATEMENT PERFORMS INCORRECTLY IN COMPILED METHOD


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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
    .
    Stack Trace: N/A
    .
    The switch statement no longer enters the correct case block.
    

Local fix

  • The issue can be worked around by running with -Xjit:disableGRA.
    

Problem summary

  • The JIT compiler intermittently incorrectly assigns registers
    when generating the code for a switch statement (lookuptable).
    

Problem conclusion

  • This defect will be fixed in:
    5.0.0 SR13
    6.0.0 SR10
    .
    The JIT compiler has been updated to address the incorrect
    register assignment.
    .
    To obtain the fix:
    Install build 20101118 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ88514

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-11-10

  • Closed date

    2011-01-05

  • Last modified date

    2011-01-21

  • APAR is sysrouted FROM one or more of the following:

    IZ88491

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    JIT

  • Fixed component ID

    620700124

Applicable component levels

  • R600 PSN

       UP

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Document information

Runtimes for Java Technology

Just In Time (JIT) Compiler


Software version:
6.0


Reference #:
IZ88514


Modified date:
2011-01-21

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