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40c180db13
even if it's dependent, in case it now names a member of the current instantiation. llvm-svn: 166496
250 lines
7.2 KiB
C++
250 lines
7.2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// This test concerns the identity of dependent types within the
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// canonical type system, specifically focusing on the difference
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// between members of the current instantiation and members of an
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// unknown specialization. This considers C++ [temp.type], which
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// specifies type equivalence within a template, and C++0x
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// [temp.dep.type], which defines what it means to be a member of the
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// current instantiation.
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template<typename T, typename U>
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struct X0 {
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typedef T T_type;
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typedef U U_type;
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void f0(T&); // expected-note{{previous}}
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void f0(typename X0::U_type&);
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void f0(typename X0::T_type&); // expected-error{{redecl}}
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void f1(T&); // expected-note{{previous}}
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void f1(typename X0::U_type&);
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void f1(typename X0<T, U>::T_type&); // expected-error{{redecl}}
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void f2(T&); // expected-note{{previous}}
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void f2(typename X0::U_type&);
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void f2(typename X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
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void f3(T&); // expected-note{{previous}}
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void f3(typename X0::U_type&);
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void f3(typename ::X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
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struct X1 {
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typedef T my_T_type;
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void g0(T&); // expected-note{{previous}}
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void g0(typename X0::U_type&);
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void g0(typename X0::T_type&); // expected-error{{redecl}}
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void g1(T&); // expected-note{{previous}}
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void g1(typename X0::U_type&);
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void g1(typename X0<T, U>::T_type&); // expected-error{{redecl}}
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void g2(T&); // expected-note{{previous}}
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void g2(typename X0::U_type&);
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void g2(typename X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
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void g3(T&); // expected-note{{previous}}
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void g3(typename X0::U_type&);
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void g3(typename ::X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
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void g4(T&); // expected-note{{previous}}
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void g4(typename X0::U_type&);
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void g4(typename X1::my_T_type&); // expected-error{{redecl}}
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void g5(T&); // expected-note{{previous}}
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void g5(typename X0::U_type&);
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void g5(typename X0::X1::my_T_type&); // expected-error{{redecl}}
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void g6(T&); // expected-note{{previous}}
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void g6(typename X0::U_type&);
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void g6(typename X0<T, U>::X1::my_T_type&); // expected-error{{redecl}}
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void g7(T&); // expected-note{{previous}}
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void g7(typename X0::U_type&);
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void g7(typename ::X0<typename X1::my_T_type, U_type>::X1::my_T_type&); // expected-error{{redecl}}
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void g8(T&); // expected-note{{previous}}
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void g8(typename X0<U, T_type>::T_type&);
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void g8(typename ::X0<typename X0<T_type, U>::X1::my_T_type, U_type>::X1::my_T_type&); // expected-error{{redecl}}
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};
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};
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template<typename T, typename U>
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struct X0<T*, U*> {
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typedef T T_type;
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typedef U U_type;
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typedef T* Tptr;
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typedef U* Uptr;
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void f0(T&); // expected-note{{previous}}
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void f0(typename X0::U_type&);
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void f0(typename X0::T_type&); // expected-error{{redecl}}
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void f1(T&); // expected-note{{previous}}
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void f1(typename X0::U_type&);
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void f1(typename X0<T*, U*>::T_type&); // expected-error{{redecl}}
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void f2(T&); // expected-note{{previous}}
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void f2(typename X0::U_type&);
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void f2(typename X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
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void f3(T&); // expected-note{{previous}}
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void f3(typename X0::U_type&);
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void f3(typename ::X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
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void f4(T&); // expected-note{{previous}}
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void f4(typename X0::U_type&);
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void f4(typename ::X0<Tptr, Uptr>::T_type&); // expected-error{{redecl}}
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void f5(X0*); // expected-note{{previous}}
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void f5(::X0<T, U>*);
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void f5(::X0<T*, U*>*); // expected-error{{redecl}}
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struct X2 {
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typedef T my_T_type;
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void g0(T&); // expected-note{{previous}}
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void g0(typename X0::U_type&);
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void g0(typename X0::T_type&); // expected-error{{redecl}}
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void g1(T&); // expected-note{{previous}}
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void g1(typename X0::U_type&);
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void g1(typename X0<T*, U*>::T_type&); // expected-error{{redecl}}
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void g2(T&); // expected-note{{previous}}
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void g2(typename X0::U_type&);
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void g2(typename X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
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void g3(T&); // expected-note{{previous}}
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void g3(typename X0::U_type&);
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void g3(typename ::X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
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void g4(T&); // expected-note{{previous}}
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void g4(typename X0::U_type&);
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void g4(typename X2::my_T_type&); // expected-error{{redecl}}
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void g5(T&); // expected-note{{previous}}
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void g5(typename X0::U_type&);
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void g5(typename X0::X2::my_T_type&); // expected-error{{redecl}}
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void g6(T&); // expected-note{{previous}}
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void g6(typename X0::U_type&);
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void g6(typename X0<T*, U*>::X2::my_T_type&); // expected-error{{redecl}}
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void g7(T&); // expected-note{{previous}}
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void g7(typename X0::U_type&);
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void g7(typename ::X0<typename X2::my_T_type*, U_type*>::X2::my_T_type&); // expected-error{{redecl}}
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void g8(T&); // expected-note{{previous}}
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void g8(typename X0<U, T_type>::T_type&);
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void g8(typename ::X0<typename X0<T_type*, U*>::X2::my_T_type*, U_type*>::X2::my_T_type&); // expected-error{{redecl}}
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};
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};
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template<typename T>
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struct X1 {
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static int *a;
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void f(float *b) {
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X1<T>::a = b; // expected-error{{incompatible}}
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X1<T*>::a = b;
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}
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};
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namespace ConstantInCurrentInstantiation {
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template<typename T>
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struct X {
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static const int value = 2;
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static int array[value];
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};
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template<typename T> const int X<T>::value;
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template<typename T>
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int X<T>::array[X<T>::value] = { 1, 2 };
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}
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namespace Expressions {
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template <bool b>
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struct Bool {
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enum anonymous_enum { value = b };
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};
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struct True : public Bool<true> {};
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struct False : public Bool<false> {};
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template <typename T1, typename T2>
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struct Is_Same : public False {};
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template <typename T>
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struct Is_Same<T, T> : public True {};
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template <bool b, typename T = void>
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struct Enable_If {};
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template <typename T>
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struct Enable_If<true, T> {
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typedef T type;
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};
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template <typename T>
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class Class {
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public:
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template <typename U>
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typename Enable_If<Is_Same<U, Class>::value, void>::type
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foo();
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};
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template <typename T>
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template <typename U>
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typename Enable_If<Is_Same<U, Class<T> >::value, void>::type
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Class<T>::foo() {}
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}
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namespace PR9255 {
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template<typename T>
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class X0 {
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public:
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class Inner1;
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class Inner2 {
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public:
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void f()
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{
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Inner1::f.g();
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}
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};
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};
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}
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namespace rdar10194295 {
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template<typename XT>
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class X {
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public:
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enum Enum { Yes, No };
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template<Enum> void foo();
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template<Enum> class Inner;
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};
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template<typename XT>
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template<typename X<XT>::Enum>
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void X<XT>::foo()
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{
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}
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template<typename XT>
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template<typename X<XT>::Enum>
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class X<XT>::Inner { };
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}
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namespace RebuildDependentScopeDeclRefExpr {
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template<int> struct N {};
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template<typename T> struct X {
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static const int thing = 0;
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N<thing> data();
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N<thing> foo();
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};
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template<typename T> N<X<T>::thing> X<T>::data() {}
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// FIXME: We should issue a typo-correction here.
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template<typename T> N<X<T>::think> X<T>::foo() {} // expected-error {{no member named 'think' in 'X<T>'}}
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}
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