[LLVMbugs] [Bug 22443] New: Issues with using-declaration in class

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Feb 3 01:47:40 PST 2015


            Bug ID: 22443
           Summary: Issues with using-declaration in class
           Product: clang
           Version: 3.5
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: d.v.a at ngs.ru
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Sample code:

template<class V>
struct B
     template<class T>
     T f() { return T(); }
template<class V>
struct D : public B<V>
    typedef    B<V> base;

    using base::f;
    template<class T>
    void f(T &v) { v = f<T>(); }

int main()
    int n  ;

Error message:

14 : error: no matching member function for call to 'f'

void f(T &v) { v = f<T>(); }


20 : note: in instantiation of function template specialization 'D::f'
requested here



14 : note: candidate function template not viable: requires single argument
'v', but no arguments were provided

void f(T &v) { v = f<T>(); }


With GCC this works well. I suppose using-declaration must bring all
identifiers from base class.

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