IV22999: CRASH IN MERGEDEFCONTRAINTS DURING COMPILATION

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: SIGSEGV/GPF during the compilation of a method.
    .
    Stack Trace: The top of the C++ stack should have the following
    function:
    TR_ValuePropagation::mergeDefContraints
    The rest of the stack is unwalkable.
    .
    

Local fix

  • To workaround this issue, the method that was being compiled at
    the time of the crash should be excluded from compilation.
    This can be done using the following command line option:
    -Xjit:exclude={*<method signature>*}
    

Problem summary

  • Part of the mergeDefContraint function incorrectly attempted to
    reference a NULL pointer that is part of one of the internal
    data structures used to perform this optimization.
    

Problem conclusion

  • This defect will be fixed in:
    5.0.0 SR14
    6.0.0 SR12
    7.0.0 SR3
    .
    The function has been altered so that the the NULL pointer can
    no longer be dereferneced.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV22999

  • Reported component name

    JAVA 5 JIT

  • Reported component ID

    620500124

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-06-13

  • Closed date

    2012-07-17

  • Last modified date

    2012-07-17

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

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

    IV23000

Fix information

  • Fixed component name

    JAVA 5 JIT

  • Fixed component ID

    620500124

Applicable component levels

  • R500 PSY

       UP



Rate this page:

(0 users)Average rating

Document information


More support for:

Runtimes for Java Technology
Just In Time (JIT) Compiler

Software version:

5.0

Reference #:

IV22999

Modified date:

2012-07-17

Translate my page

Machine Translation

Content navigation