LI74347: TEMPLATE CLASS COMPLETE ERROR

March 2009 Update for XL C/C++ for Linux, V10.1
October 2009 Update for XL C/C++ for Linux, V10.1
June 2011 Update for XL C/C++ for Linux, V10.1
XL C/C++ for Linux Fix Pack 8 (January 2014 Update) for 10.1
August 2010 Update for XL C/C++ for Linux, V10.1
January 2011 Update for XL C/C++ for Linux, V10.1
January 2012 Update for XL C/C++ for Linux, V10.1
July 2012 Update for XL C/C++ for Linux, V10.1

APAR status

• Closed as program error.

Error description

• When compiling the following test case, an error reporting that
  a template class declaration is using a class that is not
  complete is output.
  
  ------------------
  1540-1118 (S) The declaration of "test_object" uses t
  he undefined class "Foo<SomeObject>" when the class must be
  complete.
  ------------------
  
  To Compile:  xlC test.C
  
  
    ==========  TEST CASE  ==========
  
  struct AbstractFoo {};
  
  typedef AbstractFoo& (*FooLocator)();
  
  template<typename T>
  struct FooManager
  {
   static  AbstractFoo& GetFoo();
  };
  
  template<typename T, FooLocator locator>
  struct ArrayFoo {};
  
  struct SomeObject{};
  
  template<>
  AbstractFoo& FooManager<SomeObject>::GetFoo();
  
  struct AUser {
    ArrayFoo<SomeObject, FooManager<SomeObject>::GetFoo> comp;
  };
  
  template<typename T>
  struct Foo: public AbstractFoo{};
  
  template<>
  AbstractFoo& FooManager<SomeObject>::GetFoo() {
    static Foo<SomeObject> test_object;
    return test_object;
  }
  

Local fix

Problem summary

• USER AFFECTED:
                      The problem is with complete template
  specializations (explicit specialization).
  
  PROBLEMDESCRIPTION:
                      A template instantiation was being created
  at an incorrect location causing a name lookup error indicating
  that a template instantiation was incomplete.
  

Problem conclusion

• The problem is fixed.
  

Temporary fix

Comments

APAR Information

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

  LI74301

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

Fix information

• Fixed component name

  XL C/C++ RHEL52

• Fixed component ID

  5724U8310

Applicable component levels

• RA10 PSN LI74301

     UP06/09/13