99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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// PR5336
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template<typename FromCl>
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struct isa_impl_cl {
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template<class ToCl>
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static void isa(const FromCl &Val) { }
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};
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template<class X, class Y>
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void isa(const Y &Val) { return isa_impl_cl<Y>::template isa<X>(Val); }
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class Value;
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void f0(const Value &Val) { isa<Value>(Val); }
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// Implicit template-ids.
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template<typename T>
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struct X0 {
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template<typename U>
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void f1();
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template<typename U>
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void f2(U) {
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f1<U>();
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}
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};
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void test_X0_int(X0<int> xi, float f) {
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xi.f2(f);
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}
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// Not template-id expressions, but they almost look like it.
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template<typename F>
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struct Y {
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Y(const F&);
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};
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template<int I>
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struct X {
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X(int, int);
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void f() {
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Y<X<I> >(X<I>(0, 0));
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Y<X<I> >(::X<I>(0, 0));
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}
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};
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template struct X<3>;
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// 'template' as a disambiguator.
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// PR7030
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struct Y0 {
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template<typename U>
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void f1(U);
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template<typename U>
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static void f2(U);
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void f3(int);
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static int f4(int);
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template<typename U>
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static void f4(U);
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template<typename U>
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void f() {
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Y0::template f1<U>(0);
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Y0::template f1(0);
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this->template f1(0);
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Y0::template f2<U>(0);
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Y0::template f2(0);
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Y0::template f3(0); // expected-error {{'f3' following the 'template' keyword does not refer to a template}}
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Y0::template f3(); // expected-error {{'f3' following the 'template' keyword does not refer to a template}}
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int x;
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x = Y0::f4(0);
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x = Y0::f4<int>(0); // expected-error {{assigning to 'int' from incompatible type 'void'}}
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x = Y0::template f4(0); // expected-error {{assigning to 'int' from incompatible type 'void'}}
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x = this->f4(0);
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x = this->f4<int>(0); // expected-error {{assigning to 'int' from incompatible type 'void'}}
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x = this->template f4(0); // expected-error {{assigning to 'int' from incompatible type 'void'}}
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}
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};
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struct A {
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template<int I>
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struct B {
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static void b1();
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};
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};
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template<int I>
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void f5() {
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A::template B<I>::template b1(); // expected-error {{'b1' following the 'template' keyword does not refer to a template}}
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}
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template void f5<0>(); // expected-note {{in instantiation of function template specialization 'f5<0>' requested here}}
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