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// RUN: clang-cc -fsyntax-only -verify %s
template<typename T> class A;
extern "C++" {
template<typename T> class B;
}
namespace N {
template<typename T> class C;
}
extern "C" {
template<typename T> class D; // expected-error{{templates must have C++ linkage}}
}
template<class U> class A; // expected-note{{previous template declaration is here}}
template<int N> class A; // expected-error{{template parameter has a different kind in template redeclaration}}
template<int N> class NonTypeTemplateParm;
typedef int INT;
template<INT M> class NonTypeTemplateParm; // expected-note{{previous non-type template parameter with type 'INT' (aka 'int') is here}}
template<long> class NonTypeTemplateParm; // expected-error{{template non-type parameter has a different type 'long' in template redeclaration}}
template<template<typename T> class X> class TemplateTemplateParm;
template<template<class> class Y> class TemplateTemplateParm; // expected-note{{previous template declaration is here}} \
// expected-note{{previous template template parameter is here}}
template<typename> class TemplateTemplateParm; // expected-error{{template parameter has a different kind in template redeclaration}}
template<template<typename T, int> class X> class TemplateTemplateParm; // expected-error{{too many template parameters in template template parameter redeclaration}}
template<typename T>
struct test {}; // expected-note{{previous definition}}
template<typename T>
struct test : T {}; // expected-error{{redefinition}}
class X {
public:
template<typename T> class C;
};
void f() {
template<typename T> class X; // expected-error{{expression}}
}
template<typename T> class X1 { } var; // expected-error{{declared as a template}}
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