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LI76957: 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

    LI76957

  • Reported component name

    XL C/C++ FOR LI

  • Reported component ID

    5725C7300

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-08-28

  • Closed date

    2012-08-28

  • Last modified date

    2012-08-28

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

    IV24367

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

Fix information

  • Fixed component name

    XL C/C++ FOR LI

  • Fixed component ID

    5725C7300

Applicable component levels



Document information

More support for: XL C/C++ for Linux
Compiler

Software version: 12.1

Reference #: LI76957

Modified date: 28 August 2012