PI66036: UNSTRING PROVIDES DIFFERENT RESULTS WITH COBOL V5

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Using UNSTRING with overlapping operands may provide different
  results when using Enterprise COBOL V5 than when using
  Enterprise COBOL V4
  

Local fix

• Do not use overlapping operands
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Enterprise COBOL V5.2 compiling     *
  *                 and running programs that contain UNSTRING   *
  *                 statements where the sender and receiver     *
  *                 have overlapping storage.                    *
  *                                                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: Missing diagnostic message: When        *
  *                      sender and receiver in an UNSTRING      *
  *                      statement have overlapping storage,     *
  *                      the receiver will have an               *
  *                      unpredictable result, but the compiler  *
  *                      does not issue any warning message.     *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF.                      *
  *                                                              *
  ****************************************************************
  The compiler does not issue a warning message when the UNSTRING
  sender overlap a receiver.
  

Problem conclusion

• The compiler was modified to issue a warning message when an
  UNSTRING sender and receiver overlap.
  

Temporary fix

Comments

APAR Information

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

  PI62711

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

Modules/Macros

•    IGYCRCTL
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655W3200

Applicable component levels

• R520 PSY UI39594

     UP16/07/29 P F607

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.