LI77417: CLASS AND MEMBER TEMPLATE PARAMETERS MIXED UP IN TEMPLATE DEF

XL C/C++ for Blue Gene/Q Fix Pack 12 (May 2015 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 14 (May 2016 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 15 (October 2017 Update) for 12.1
May 2013 Update for XL C/C++ for Blue Gene/Q, V12.1
XL C/C++ for Blue Gene/Q Fix Pack 5 (August 2013 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 6 (November 2013 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 7 (February 2014 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 8 (May 2014 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 9 (August 2014 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 10 (November 2014 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 11 (February 2015 Update) for 12.1
XL C/C++ for Blue Gene/Q Fix Pack 13 (August 2015 Update) for 12.1

APAR status

• Closed as program error.

Error description

• The compiler incorrectly emits the following error message for
  the following test case:
  
  =====Compile Command:
  xlC -qtmplparse=error a.cpp -c
  
  =====Testcase:
  $ cat a.cpp
  template <class A> struct testable_handle{};
  
      template<typename T> struct tunable
      {
          template<class T2>
          bool operator >= (const testable_handle<T>&) ; // not
  allowed
          template<class T2>
          bool operator >= (const testable_handle<T2>&) ; // not
  allowed
      };
  $
  
  ======ACTUAL OUTPUT:
  $ xlC -qtmplparse=error a.cpp -c
  "a.cpp", line 8.14: 1540-0401 (S) The member "template <class
  T2> tunable::operator>=(const testable_handle<T2> &)" is
  already declared.
  
  
  ======EXPECTED OUTPUT:
  "a.cpp", line 6.14: 1540-0424 (I) "operator>=" is declared on
  line 6 of "a.cpp".
  $
  

Local fix

• N/A
  

Problem summary

• USERS AFFECTED:
  The error may be seen in a template class when there are
  overloaded template member functions
  some using the class template parameters and some not.
  
  PROBLEM DESCRIPTION:
  The compiler emits an error on overloaded template member
  function.
  

Problem conclusion

• The compiler issue has been resolved.
  

Temporary fix

Comments

APAR Information

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

  IV38824

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

Fix information

• Fixed component name

  XL C/C++ FOR BG

• Fixed component ID

  5799AG100

Applicable component levels