PI62156: 0C4 IN SCANBLOCK() WITH -O2

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Compiling an application containing a variable initialization
  with boolean conditional evaluation with -O2 is encountering an
  internal compiler 0C4 error.
  
  
  
     === EXAMPLE CODE ===
  
  Note:  not a standalone test case
  
  unsigned long val d =
        !( ((1L<<(value1)) & (number)) != 0L ) ||
        !( ((1L<<(value2)) & (number)) != 0L );
  
  
  $ xlC -c -O2 test.cpp
  CEE3204S The system detected a protection exception (System
  Completion Code=0C4).
           From entry point scanBlock(int,stateT&) at statement
  345 at compile unit offset +000002F4 at entry offset
           +000002F4 at address 27B7437C.
  FSUM3224 c++: Fatal error in
  ccndrvr: signal 9 received.
  $
  

Local fix

• Do not use optimization.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: USERS OF XLC/C++ V1R13                       *
  ****************************************************************
  * PROBLEM DESCRIPTION: COMPILER ICE WHEN MASK APPEARS          *
  *                      AS AN IV RATHER THAN A                  *
  *                      SYMBOLIC REGISTER.                      *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  .
  

Problem conclusion

• APPLY PROVIDED FIX.
  

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:

  PI65362

Modules/Macros

•    CCNETBY
  

Fix information

• Fixed component name

  C/C++ FOR MVS

• Fixed component ID

  56551210A

Applicable component levels

• R780 PSY UI43494

     UP17/01/11 P F701

Fix is available

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