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LI75485: INTERNAL COMPILER ERROR WITH -O4

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When compiling an application, the compiler is encountering an
    internal compiler error when using -qhot or optimization level
    -O4.  The output of the error is:
    
    $ xlC -O4 foo.cpp
    Calling signal handler...
    1586-494 (U) INTERNAL COMPILER ERROR: Signal 11.
    

Local fix

  • - Compile with a lower optimization level, or
    - Compile with a lower -qhot level, i.e. -qhot=level=0
    

Problem summary

  • USERS AFFECTED:
    Users of IPA at optimization levels of -O3 and above for
    programs for which the compiler is doing loop optimizations.
    
    PROBLEM DESCRIPTION:
    Internal compiler error during variable analysis.
    

Problem conclusion

  • The unexpected condition that was encountered was fixed by
    additional checking.  The issue was corrected.
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI75485

  • Reported component name

    XL C/C++ AE BG/

  • Reported component ID

    5799HJE00

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-05-03

  • Closed date

    2010-07-28

  • Last modified date

    2010-07-28

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

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

    LI75689

Fix information

  • Fixed component name

    XL C/C++ AE BG/

  • Fixed component ID

    5799HJE00

Applicable component levels

  • R900 PSY

       UP



Document information

More support for: XL C/C++
Compiler

Software version: 9.0

Reference #: LI75485

Modified date: 28 July 2010


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