IJ12236: NON-TYPE TEMPLATE ARGUMENT CLASS METHOD ERROR

XL C/C++ for AIX Fix Pack 11 (November 2018 PTF) for 13.1

APAR status

• Closed as program error.

Error description

• A seemingly simple non-type template function/method in a
  template class is reported via error that it is not declared as
  a template.
  
  
     === TEST CASE ===
  template <typename T>
  class C {
    public:
      template <T> void fn();
  };
  
  template <typename T>
  template <T>
  inline void C<T>::fn()
  {
  }
  
  int main()
  {
      C<int> c;
      c.fn<12>();
  }
  
  
  $ xlC -c test.cpp
  "test.cpp", line 9.13: 1540-1174 (S) The member "template void
  fn()" is not declared as a template in its containing class
  definition.
  $
  

Local fix

Problem summary

• PROBLEM DESCRIPTION:
  The compiler fails to reconcile the out-of-line definition to
  the correct declaration.  Diagnostics or link errors are likely
  to occur.
  
  USERS AFFECTED:
  Out-of-line template member function definitions with a
  non-type template parameter of the type of an enclosing class
  template type parameter.
  

Problem conclusion

• Fix applied to compiler reconciler.  Recommend users apply fix
  if diagnostics or link error are encountered relating to the
  affected member functions.
  

Temporary fix

Comments

APAR Information

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

  IJ06818

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

Fix information

• Fixed component name

  XL C/C++ FOR AI

• Fixed component ID

  5725C7200

Applicable component levels

• RD10 PSY

     UP