PI71797: DESTRUCTOR CALLED TWICE ON NESTED RETURN

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• C++ destructors are called twice for local objects when exiting
  a function via a nested return statement.
  
  
     === EXAMPLE ===
  
  int myfunc()
  {
     MyObject obj;
     ...
     if(statement)
     {
        return 1;    // obj destructor called twice here, or
     }
     else
     {
        return 2;    // obj destructor called twice here
     }
     ...
  }
  

Local fix

• Add a return statement to the outer scope.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: The problem may be seen in functions         *
  *                 that contain local variables and             *
  *                 returnstatements in nested scope which have  *
  *                 no return statement at the outer scope.      *
  ****************************************************************
  * PROBLEM DESCRIPTION: A compile-time optimization was         *
  *                      causingduplicate destructor calls for   *
  *                      thenested local variables in some       *
  *                      cases.                                  *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  .
  

Problem conclusion

• Apply provided service.
  

Temporary fix

Comments

APAR Information

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

  PI71287

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

  UI42323

Modules/Macros

•    CCNECICS CCNECWI  CCNEDSCT CCNEDWRT CCNED210
  CCNEFILT CCNEHIFC CCNEMDEP CCNEOPTP CCNEP    CCNEPP   CCNETBY
  CCNMSGE  CCNMSGT
  

Fix information

• Fixed component name

  C/C++ FOR MVS

• Fixed component ID

  56551210A

Applicable component levels

• R790 PSY UI42323

     UP16/11/22 P F611

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.