50 lines · cpp
1// RUN: %clang_cc1 -fms-extensions -fsyntax-only -verify %s -Wno-microsoft2// RUN: %clang_cc1 -fms-extensions -fdelayed-template-parsing -fsyntax-only -verify %s -Wno-microsoft3 4class A {5public:6 template<typename T> struct X { typedef int x; };7 8 X<int>::x a; // expected-note {{implicit instantiation first required here}}9 10 template<> struct X<int>; // expected-error {{explicit specialization of 'A::X<int>' after instantiation}}11 template<> struct X<char>; // expected-note {{forward declaration}}12 13 X<char>::x b; // expected-error {{incomplete type 'A::X<char>' named in nested name specifier}}14 15 template<> struct X<double> {16 typedef int y;17 };18 19 X<double>::y c;20 21 template<> struct X<float> {}; // expected-note {{previous definition is here}}22 template<> struct X<float> {}; // expected-error {{redefinition of 'X<float>'}}23};24 25A::X<void>::x axv;26A::X<float>::x axf; // expected-error {{no type named 'x'}}27 28template<class T> class B {29public:30 template<typename U> struct X { typedef int x; };31 32 typename X<int>::x a; // expected-note {{implicit instantiation first required here}}33 34 template<> struct X<int>; // expected-error {{explicit specialization of 'X<int>' after instantiation}}35 template<> struct X<char>; // expected-note {{forward declaration}}36 37 typename X<char>::x b; // expected-error {{incomplete type 'B<float>::X<char>' named in nested name specifier}}38 39 template<> struct X<double> {40 typedef int y;41 };42 43 typename X<double>::y c;44 45 template<> struct X<float> {}; // expected-note {{previous definition is here}}46 template<> struct X<T> {}; // expected-error {{redefinition of 'X<float>'}}47};48 49B<float> b; // expected-note {{in instantiation of}}50