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IV24367: LOOP/SEGFAULT WITH -QIPA ON THE LINK STEP

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When compiling and linking a large application with -qipa, the
    resulting binary either loops or segfaults during runtime.
    

Local fix

  • n/a
    

Problem summary

  • USERS AFFECTED:
    Users of IPA may be affected by this issue.
    
    PROBLEM DESCRIPTION:
    Runtime failure or segmentation fault due to incorrect
    aliasing.
    The problem is related to the aliasing of reference parameter
    shadows after inling.
    A dangling shadow symbol is recorded in the reference parameter
    entry.
    

Problem conclusion

  • The fix is to make sure the reference parameter shadows
    recorded is the last mapped ones.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV24367

  • Reported component name

    XL C FOR AIX

  • Reported component ID

    5724X1200

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-07-05

  • Closed date

    2012-07-05

  • Last modified date

    2012-07-05

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

    IV19861

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

    IV25667 LI76957 LI77029

Fix information

  • Fixed component name

    XL C FOR AIX

  • Fixed component ID

    5724X1200

Applicable component levels



Document information

More support for: XL C for AIX

Software version: 11.1

Reference #: IV24367

Modified date: 05 July 2012