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Diffstat (limited to 'test/SemaTemplate/instantiate-function-params.cpp')
-rw-r--r-- | test/SemaTemplate/instantiate-function-params.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/SemaTemplate/instantiate-function-params.cpp b/test/SemaTemplate/instantiate-function-params.cpp new file mode 100644 index 0000000..ea8dd70 --- /dev/null +++ b/test/SemaTemplate/instantiate-function-params.cpp @@ -0,0 +1,57 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +// PR6619 +template<bool C> struct if_c { }; +template<typename T1> struct if_ { + typedef if_c< static_cast<bool>(T1::value)> almost_type_; // expected-note 7{{in instantiation}} +}; +template <class Model, void (Model::*)()> struct wrap_constraints { }; +template <class Model> +inline char has_constraints_(Model* , // expected-note 4{{while substituting deduced template arguments into function template 'has_constraints_' [with }} \ + // expected-note 3{{candidate template ignored}} + wrap_constraints<Model,&Model::constraints>* = 0); // expected-note 4{{in instantiation}} + +template <class Model> struct not_satisfied { + static const bool value = sizeof( has_constraints_((Model*)0) == 1); // expected-error 3{{no matching function}} +}; +template <class ModelFn> struct requirement_; +template <void(*)()> struct instantiate { +}; +template <class Model> struct requirement_<void(*)(Model)> : if_< not_satisfied<Model> >::type { // expected-error 3{{no type named}} \ + // expected-note 7{{in instantiation}} +}; +template <class Model> struct usage_requirements { +}; +template < typename TT > struct InputIterator { + typedef instantiate< & requirement_<void(*)(usage_requirements<InputIterator> x)>::failed> boost_concept_check1; // expected-note 2{{in instantiation}} +}; +template < typename TT > struct ForwardIterator : InputIterator<TT> { // expected-note 2{{in instantiation}} + typedef instantiate< & requirement_<void(*)(usage_requirements<ForwardIterator> x)>::failed> boost_concept_check2; // expected-note 2 {{in instantiation}} + +}; +typedef instantiate< &requirement_<void(*)(ForwardIterator<char*> x)>::failed> boost_concept_checkX; // expected-error{{no member named}} \ +// expected-note 6{{in instantiation}} + +template<typename T> struct X0 { }; +template<typename R, typename A1> struct X0<R(A1 param)> { }; + +template<typename T, typename A1, typename A2> +void instF0(X0<T(A1)> x0a, X0<T(A2)> x0b) { + X0<T(A1)> x0c; + X0<T(A2)> x0d; +} + +template void instF0<int, int, float>(X0<int(int)>, X0<int(float)>); + +template<typename R, typename A1, R (*ptr)(A1)> struct FuncPtr { }; +template<typename A1, int (*ptr)(A1)> struct FuncPtr<int, A1, ptr> { }; + +template<typename R, typename A1> R unary_func(A1); + +template<typename R, typename A1, typename A2> +void use_func_ptr() { + FuncPtr<R, A1, &unary_func<R, A1> > fp1; + FuncPtr<R, A2, &unary_func<R, A2> > fp2; +}; + +template void use_func_ptr<int, float, double>(); |