LI77406: FOR LOOP EXPRESSION3 NOT EVALUATED

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When compiling with C++, a for loop with multiple expressions in
    the expression3 location is not performing all expressions.  In
    the case where a loop increment or decrement is done, an
    infinite loop may be seen.
    
        ===== TEST CASE =====
    
       for ( i=0; i<10; i++,myint1,myint2=5 )
    

Local fix

  • Remove expressions that do not increment/decrement/set values.
    

Problem summary

  • PROBLEM DESCRIPTION:
    The C++ compiler is optimizing away part of a comma comma
    expression side effect when it finds a part that has no side
    effect.
    
    USERS AFFECTED:
    A comma expression such as  'a++,a,a1=5'  would eliminate the
    'a++'.
    

Problem conclusion

  • The problem has been resolved.
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI77406

  • Reported component name

    XL C/C++ FOR LI

  • Reported component ID

    5724X1400

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-06-11

  • Closed date

    2013-06-11

  • Last modified date

    2013-06-11

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

    IV34104

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

Fix information

  • Fixed component name

    XL C/C++ FOR LI

  • Fixed component ID

    5724X1400

Applicable component levels



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Document information


More support for:

XL C/C++ for Linux

Software version:

11.1

Reference #:

LI77406

Modified date:

2013-06-11

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