IV33990: XLC INCORRECT RESULT WITH -O3

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Compiling a C program with -O3 creates executable that produces
    wrong output. The file is from printf.c from sqlite 3.7.2.  It
    works fine if compiled with -O2 or under with all compiler
    releases.
    

Local fix

  • Use -O2
    

Problem summary

  • PROBLEM DESCRIPTION: Incorrect transformation during
    optimization
    
    USERS AFFECTED: Users that compile with optimization -O3
    

Problem conclusion

  • problem is fixed. Apply provided service.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV33990

  • Reported component name

    XL C/C++ AIX

  • Reported component ID

    5724X1300

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-12-27

  • Closed date

    2013-02-07

  • Last modified date

    2013-02-08

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

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

    IV37958 LI77359 LI77455

Fix information

  • Fixed component name

    XL C FOR AIX

  • Fixed component ID

    5724X1200

Applicable component levels

  • RB10 PSY U857980

       UP C



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Document information


More support for:

XL C for AIX

Software version:

11.1

Reference #:

IV33990

Modified date:

2013-02-08

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