forked from OSchip/llvm-project
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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template<typename T, typename U, int N>
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struct X {
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void f(T* t) {
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t->f0<U>(); // expected-error{{use 'template' keyword to treat 'f0' as a dependent template name}}
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t->f0<int>(); // expected-error{{use 'template' keyword to treat 'f0' as a dependent template name}}
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t->operator+<U const, 1>(); // expected-error{{use 'template' keyword to treat 'operator +' as a dependent template name}}
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t->f1<int const, 2>(); // expected-error{{use 'template' keyword to treat 'f1' as a dependent template name}}
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T::getAs<U>(); // expected-error{{use 'template' keyword to treat 'getAs' as a dependent template name}}
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t->T::getAs<U>(); // expected-error{{use 'template' keyword to treat 'getAs' as a dependent template name}}
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// FIXME: We can't recover from these yet
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(*t).f2<N>(); // expected-error{{expected expression}}
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(*t).f2<0>(); // expected-error{{expected expression}}
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}
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};
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struct MrsBadcrumble {
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friend MrsBadcrumble operator<(void (*)(int), MrsBadcrumble);
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friend void operator>(MrsBadcrumble, int);
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} mb;
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template<int N, typename T> void f(T t) {
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t.f<N>(0); // expected-error {{missing 'template' keyword prior to dependent template name 'f'}}
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t.T::f<N>(0); // expected-error {{missing 'template' keyword prior to dependent template name 'f'}}
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T::g<N>(0); // expected-error {{missing 'template' keyword prior to dependent template name 'g'}}
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// Note: no diagnostic here, this is actually valid as a comparison between
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// the decayed pointer to Y::g<> and mb!
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T::g<mb>(0);
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}
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struct Y {
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template <int> void f(int);
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template <int = 0> static void g(int); // expected-warning 0-1{{extension}}
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};
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void q() { void (*p)(int) = Y::g; }
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template void f<0>(Y); // expected-note {{in instantiation of}}
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namespace PR9401 {
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// From GCC PR c++/45558
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template <typename S, typename T>
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struct C
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{
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template <typename U>
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struct B
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{
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template <typename W>
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struct E
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{
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explicit E(const W &x) : w(x) {}
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const W &w;
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};
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};
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};
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struct F;
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template <typename X>
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struct D
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{
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D() {}
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};
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const D<F> g;
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template <typename S, typename T>
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struct A
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{
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template <typename U>
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struct B : C<S, T>::template B<U>
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{
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typedef typename C<S, T>::template B<U> V;
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static const D<typename V::template E<D<F> > > a;
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};
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};
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template <typename S, typename T>
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template <typename U>
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const D<typename C<S, T>::template B<U>::template E<D<F> > >
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A<S, T>::B<U>::a = typename C<S, T>::template B<U>::template E<D<F> >(g);
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}
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