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IV68536: IPA CAUSING THREAD CORRUPTION ISSUES

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When compiling with IPA, specifically with sub-options
    "-qipa=relink:level=0:partition=large", a memory corruption
    issue that results in incorrect behaviour at runtime occurs.
    

Local fix

  • Remove the -qipa option
    

Problem summary

  • USERS AFFECTED:
    Users who compile programs using IPA may be affected by this
    issue.
    
    PROBLEM DESCRIPTION:
    This is a user reported issue of a long compile time that spent
    in the compile link pass.
    

Problem conclusion

  • The major compile time was in two optimization sections. The
    fix is to improve these two parts of the code without any
    functional or performance impact.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV68536

  • Reported component name

    XL C/C++ FOR AI

  • Reported component ID

    5725C7200

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2015-01-14

  • Closed date

    2015-02-26

  • Last modified date

    2015-02-26

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

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

    IV72775

Fix information

  • Fixed component name

    XL C FOR AIX

  • Fixed component ID

    5725C7100

Applicable component levels

  • RC10 PSY

       UP



Document information

More support for: XL C for AIX
Compiler

Software version: 12.1

Reference #: IV68536

Modified date: 26 February 2015