llvm-for-llvmta/tools/clang/test/CXX/temp/temp.spec/temp.explicit/p5.cpp

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C++

// RUN: %clang_cc1 -fsyntax-only -verify -Wc++11-compat %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 -Wc++11-compat %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
namespace N {
template<class T> class Y { // expected-note{{explicit instantiation refers here}}
void mf() { }
};
}
template class Z<int>; // expected-error{{explicit instantiation of undeclared template class 'Z'}}
struct Q;
template class Q<int>; // expected-error{{explicit instantiation of non-template class 'Q'}}
// FIXME: This example from the standard is wrong; note posted to CWG reflector
// on 10/27/2009
using N::Y;
template class Y<int>;
#if __cplusplus <= 199711L
// expected-warning@-2 {{explicit instantiation of 'N::Y' must occur in namespace 'N'}}
#else
// expected-error@-4 {{explicit instantiation of 'N::Y' must occur in namespace 'N'}}
#endif
template class N::Y<char*>;
template void N::Y<double>::mf();