50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// RUN: clang-cc -fsyntax-only -verify %s
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template<typename T> class A;
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extern "C++" {
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template<typename T> class B;
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}
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namespace N {
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template<typename T> class C;
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}
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extern "C" {
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template<typename T> class D; // expected-error{{templates must have C++ linkage}}
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}
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template<class U> class A; // expected-note{{previous template declaration is here}}
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template<int N> class A; // expected-error{{template parameter has a different kind in template redeclaration}}
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template<int N> class NonTypeTemplateParm;
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typedef int INT;
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template<INT M> class NonTypeTemplateParm; // expected-note{{previous non-type template parameter with type 'INT' (aka 'int') is here}}
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template<long> class NonTypeTemplateParm; // expected-error{{template non-type parameter has a different type 'long' in template redeclaration}}
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template<template<typename T> class X> class TemplateTemplateParm;
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template<template<class> class Y> class TemplateTemplateParm; // expected-note{{previous template declaration is here}} \
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// expected-note{{previous template template parameter is here}}
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template<typename> class TemplateTemplateParm; // expected-error{{template parameter has a different kind in template redeclaration}}
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template<template<typename T, int> class X> class TemplateTemplateParm; // expected-error{{too many template parameters in template template parameter redeclaration}}
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#if 0
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// FIXME: parse template declarations in these scopes, so that we can
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// complain about the one at function scope.
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class X {
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public:
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template<typename T> class C;
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};
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void f() {
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template<typename T> class X;
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}
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#endif
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