IV87860: GLOBAL TYPEDEF INTERFERES WITH FUNCTION PARAMETER WITH THE SAME NAME

XL C for AIX Fix Pack 8 (August 2016 Update) for 13.1
XL C/C++ for AIX Fix Pack 8 (August 2016 PTF) for 13.1
XL C for AIX Fix Pack 9 (June 2017 Update) for 13.1
XL C/C++ for AIX Fix Pack 9 (June 2017 PTF) for 13.1
XL C for AIX Fix Pack 10 (February 2018 Update) for 13.1
XL C/C++ for AIX Fix Pack 10 (February 2018 PTF) for 13.1
XL C/C++ for AIX Fix Pack 11 (November 2018 PTF) for 13.1
XL C for AIX Fix Pack 11 (November 2018) for 13.1

APAR status

• Closed as program error.

Error description

• A typedef name is interfering with a parameter variable that has
  the same name in a function definition, causing an invalid
  compiler error message.
  
  
  
     === TEST CASE ===
  
  typedef char YYY;
  void foo(void (*YYY)(void*)) {};
  
  $ xlc -c test2.c
  "test.c", line 2.17: 1506-275 (S) Unexpected text YYY
  encountered.
  "test.c", line 2.10: 1506-172 (S) Parameter type list for
  function foo contains parameters without identifiers.
  $
  

Local fix

Problem summary

• PROBLEM DESCRIPTION:
  A function pointer type passed as a function parameter is
  encountering a name conflict with a typedef.
  
  USERS AFFECTED:
  Users with function pointer variable names used as function
  parameters with the same name as a typedef.
  

Problem conclusion

• The issue has been fixed, and the conflict and error message no
  longer occur.
  

Temporary fix

Comments

APAR Information

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

  IV84525

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

Fix information

• Fixed component name

  XL C FOR AIX

• Fixed component ID

  5725C7100

Applicable component levels