PI85244: When using TRUNC(OPT), the compiler shouldn't assume that binary data items fit their decimal digit picture clauses

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• With the additional optimization that COBOL v5+ does, code may
  be eliminated under TRUNC(OPT) based on the maximum number of
  decimal digits in a non-native binary (BINARY, COMP, COMP-4)
  data item, code that was not eliminated under the previous
  compilers.
  

Local fix

• Compile with OPT(0) or TRUNC(BIN).
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Enterprise COBOL 6.1 compiling and  *
  *                 running programs that are compiled with the  *
  *                 OPT(1|2) and TRUNC(OPT) options and have a   *
  *                 binary data item (i.e., USAGE BINARY, COMP,  *
  *                 or COMP-4) that contains data that does not  *
  *                 conform to its PIC clause.                   *
  *                                                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: Migration issue/Incorrect runtime       *
  *                      results. Results of execution can be    *
  *                      different from previous compilers when  *
  *                      TRUNC(OPT) is used without following    *
  *                      the rules for TRUNC(OPT) which require  *
  *                      the data to not exceed the maximum      *
  *                      number of digits in the PICTURE clause  *
  *                      definition of the data item.            *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF.                      *
  *                                                              *
  ****************************************************************
  The compiler was sometimes inadvertently assuming that binary
  data items conform to their PIC clause for programs compiled
  with TRUNC(OPT) and OPT(1|2).
  

Problem conclusion

• The compiler was updated to ensure that for programs compiled
  with TRUNC(OPT) there is never an assumption made that binary
  data items conform to their PIC clause.  This will ease
  migration from pre-V5 compilers to V6.
  

Temporary fix

Comments

APAR Information

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

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

  UI49694 UI49695 UI49696 PI87655 PI90560

Modules/Macros

•    IGYCCBE  IGYCCICS IGYCCSRV IGYCDGEN IGYCDIAG
  IGYCDMAP IGYCEN$D IGYCEN$R IGYCEN$0 IGYCEN$1 IGYCEN$2 IGYCEN$3
  IGYCEN$4 IGYCEN$5 IGYCEN$8 IGYCFGEN IGYCFREE IGYCINIT IGYCJA$D
  IGYCJA$R IGYCJA$0 IGYCJA$1 IGYCJA$2 IGYCJA$3 IGYCJA$4 IGYCJA$5
  IGYCJA$8 IGYCLIBH IGYCLIBO IGYCLIBR IGYCLSTR IGYCLVL0 IGYCLVL1
  IGYCLVL2 IGYCLVL3 IGYCLVL8 IGYCMALL IGYCOPI  IGYCOSCN IGYCPGEN
  IGYCRCTL IGYCRDPR IGYCRDSC IGYCREAL IGYCRWT  IGYCSCAN IGYCSIMD
  IGYCUE$D IGYCUE$R IGYCUE$0 IGYCUE$1 IGYCUE$2 IGYCUE$3 IGYCUE$4
  IGYCUE$5 IGYCUE$8 IGYCXREF IGYDRV   IGYZQDRV IGY8RWTU
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655EC600

Applicable component levels

• R610 PSY UI49694

     UP17/08/25 P F708

• R611 PSY UI49695

     UP17/08/26 P F708

• R612 PSY UI49696

     UP17/08/26 P F708

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.