IBM Support

IZ77990: COMPILER ERROR WITH -O2

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When compiling a very large (10s of megabytes) and complex
    source file at -O2, the compiler is encountering an internal
    compiler error due to lack of memory.
    

Local fix

  • Do not use optimization.
    

Problem summary

  • PROBLEM DESCRIPTION:
    The compiler low-level optimizers, 'xlCcode' and 'xlfcode' are
    running out of memory when compiling large applications with
    -O2.
    
    USERS AFFECTED:
    Those who are compiling very large applications with
    optimization.
    

Problem conclusion

  • The issue has been corrected by expanding the memory limit of
    the low-level optimizers.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ77990

  • Reported component name

    XL C++ AIX

  • Reported component ID

    5724U8100

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-06-23

  • Closed date

    2010-10-05

  • Last modified date

    2010-10-05

Fix information

  • Fixed component name

    XL C AIX

  • Fixed component ID

    5724U8000

Applicable component levels

[{"Line of Business":{"code":"LOB08","label":"Cognitive Systems"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSJT9L","label":"XL C\/C++"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A.1"}]

Document Information

Modified date:
06 October 2021