LI77380: INCORRECT OUTPUT FROM SELECT CASE STATEMENT WITH MPI

April 2013 Update for XL Fortran for Linux, V14.1
XL Fortran for Linux Fix Pack 4 (October 2013 Update) for 14.1
XL Fortran for Linux Fix Pack 5 (December 2013 Update) for 14.1
XL Fortran for Linux Fix Pack 6 (February 2014 Update) for 14.1
XL Fortran for Linux Fix Pack 7 (May 2014 Update) for 14.1

APAR status

• Closed as program error.

Error description

• A test program gives out incorrect output from incorrect select
  case logic flow. If adding a case clause with only a WRITE
  statement, the program flow is correct.
  

Local fix

• -qxflag=nrce works around the issue.
  

Problem summary

• PROBLEM DESCRIPTION: When fusing two adjacent switch
  statements, Redundant Condition Elimination misses the code
  between the two statement in some cases, causing incorrect
  output.
  
  USERS AFFECTED: user using -qhot and all implying options.
  

Problem conclusion

• Problem is fixed. Apply recommended service.
  

Temporary fix

Comments

APAR Information

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

  IV34004

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

Fix information

• Fixed component name

  XL FORTRAN LINU

• Fixed component ID

  5725C7500

Applicable component levels

• RE10 PSN IV34004

     UP06/09/13