IV85383: INVALID QINFO=CND SYNTAX ERROR MESSAGE

XL C for AIX Fix Pack 16 (July 2016 Update) for 12.1
XL C/C++ for AIX Fix Pack 16 (July 2016 Update) for 12.1
XL C/C++ for AIX Fix Pack 17 (November 2016 Update) for 12.1
XL C for AIX Fix Pack 17 (November 2016 Update) for 12.1
XL C for AIX Fix Pack 18 (February 2017 Update) for 12.1
XL C/C++ for AIX Fix Pack 18 (February 2017 Update) for 12.1
XL C for AIX Fix Pack 19 (August 2017 Update) for 12.1
XL C/C++ for AIX Fix Pack 19 (August 2017 Update) for 12.1
XL C for AIX Fix Pack 20 (March 2018 Update) for 12.1
XL C/C++ for AIX Fix Pack 20 (March 2018 Update) for 12.1
XL C/C++ for AIX Fix Pack 21 (January 2019 Update) for 12.1
XL C for AIX Fix Pack 21 (January 2019 Update) for 12.1

APAR status

• Closed as program error.

Error description

• When compiling with the -qinfo compile option with the cnd
  message group enabled, and invalid error message is output
  claiming a syntax error, with no line number.
  
     cnd | nocnd
     Possible redundancies or problems in conditional expressions.
  
  
     === TEST CASE ===
  
  void a(void)
  {
          enum
          {
              b = 1/(int)( 1*sizeof(int) >= sizeof(char) )
          };
  }
  
  
  $ xlc -c test.c -qinfo=cnd
  1506-046 (S) Syntax error.
  $
  

Local fix

• Avoid -qinfo=cnd usage.
  

Problem summary

• PROBLEM DESCRIPTION:
  The issue occurs during casting of the evaluated sizeof()
  expressions.
  
  USERS AFFECTED:
  Users with code containing a similar code pattern as above, and
  the -qinfo=cnd option
  

Problem conclusion

• The issue was corrected and the error message is no longer
  output.
  

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:

  IV87917 IV91683

Fix information

• Fixed component name

  XL C FOR AIX

• Fixed component ID

  5725C7100

Applicable component levels