PH51965: COBOL INCORRECT OUTPUT WHEN USING LENGTH OF WITH OPT(0)

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• In a COBOL program that attempts to open an empty VSAM file as
  EXTEND, has an Error Declarative which then opens the file as
  OUTPUT, and also contains an OCCURS DEPENDING ON clause,
  incorrect output may be received when the program is compiled
  with OPT(0).
  

Local fix

• Compile with OPT(1) or OPT(2);
  Open the file as OUTPUT (not EXTEND)
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Enterprise COBOL compiling          *
  *                 programs that contain GO TO statements that  *
  *                 branch from a DECLARATIVE section to normal  *
  *                 PROCEDURE DIVISION code.                     *
  ****************************************************************
  * PROBLEM DESCRIPTION: Program may produce unexpected results  *
  *                      or have unexpected behaviour if the     *
  *                      program exits a DECLARATIVE section     *
  *                      via a GO TO                             *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF                       *
  ****************************************************************
  The compiler generated code to access data items in the
  PROCEDURE DIVISION on the program's main stack. DECLARATIVE
  sections have their own stack. DECLARATIVE section code that
  returns to the PROCEDURE DIVISION with a GO TO circumvented the
  normal transfer of control from the DECLARATIVE section to the
  PROCEDURE DIVISION, causing the code to use the DECLARATIVE
  section's stack isntead of the PROCEDURE DIVISON stack.
  

Problem conclusion

• The compiler was fixed to find the program's stack before
  referring to data items in the program, regardless of which
  stack frame was current.
  

Temporary fix

Comments

APAR Information

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

  PH50236

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

Modules/Macros

• IGY8RWTU IGYCASMB IGYCCBE  IGYCCCRT IGYCCICS IGYCCSRV IGYCDGEN
  IGYCDIAG IGYCDMAP IGYCEN$0 IGYCEN$1 IGYCEN$2 IGYCEN$3 IGYCEN$4
  IGYCEN$5 IGYCEN$8 IGYCEN$D IGYCEN$R IGYCFGEN IGYCFREE IGYCINIT
  IGYCJA$0 IGYCJA$1 IGYCJA$2 IGYCJA$3 IGYCJA$4 IGYCJA$5 IGYCJA$8
  IGYCJA$D IGYCJA$R IGYCJBLD IGYCJGEN IGYCLIBR IGYCLSTR IGYCLVL0
  IGYCLVL1 IGYCLVL2 IGYCLVL3 IGYCLVL8 IGYCMALL IGYCOPI  IGYCOSCN
  IGYCPGEN IGYCRCTL IGYCRDPR IGYCRDSC IGYCREAL IGYCRWT  IGYCSCAN
  IGYCSIMD IGYCUE$0 IGYCUE$1 IGYCUE$2 IGYCUE$3 IGYCUE$4 IGYCUE$5
  IGYCUE$8 IGYCUE$D IGYCUE$R IGYCXREF IGYDRV   IGYEQCWI IGYMSGE
  IGYMSGK  IGYMSGT  IGYQCBE  IGYQSPLT IGYZQEN6 IGYZQENU IGYZQJP6
  IGYZQJPN
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655EC600

Applicable component levels

• R640 PSY UI90218

     UP23/01/26 P F301

• R641 PSY UI90219

     UP23/01/26 P F301

• R642 PSY UI90220

     UP23/01/26 P F301

• R64H PSY UI90221

     UP23/01/26 P F301

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.