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// RUN: %clang_cc1 -verify -fsyntax-only %s
// Verify the absence of assertion failures when solving calls to unresolved
// template member functions.
struct A {
template <typename T>
static void bar(int) { } // expected-note {{candidate template ignored: couldn't infer template argument 'T'}}
};
struct B {
template <int i>
static void foo() {
int array[i];
A::template bar(array[0]); // expected-error {{a template argument list is expected after a name prefixed by the template keyword}} expected-error {{no matching function for call to 'bar'}}
}
};
int main() {
B::foo<4>(); // expected-note {{in instantiation of function template specialization 'B::foo<4>'}}
return 0;
}
namespace GH70375 {
template <typename Ty>
struct S {
static void bar() {
Ty t;
t.foo();
}
static void take(Ty&) {}
};
template <typename P>
struct Outer {
template <typename C>
struct Inner;
using U = S<Inner<P>>;
template <>
struct Inner<void> {
void foo() {
U::take(*this);
}
};
};
void instantiate() {
Outer<void>::U::bar();
}
}
namespace GH89374 {
struct A {};
template <typename Derived>
struct MatrixBase { // #GH89374-MatrixBase
template <typename OtherDerived>
Derived &operator=(const MatrixBase<OtherDerived> &); // #GH89374-copy-assignment
};
template <typename>
struct solve_retval;
template <typename Rhs>
struct solve_retval<int> : MatrixBase<solve_retval<Rhs> > {};
// expected-error@-1 {{partial specialization of 'solve_retval' does not use any of its template parameters}}
void ApproximateChebyshev() {
MatrixBase<int> c;
c = solve_retval<int>();
// expected-error@-1 {{no viable overloaded '='}}
// expected-note@#GH89374-copy-assignment {{candidate template ignored: could not match 'MatrixBase' against 'solve_retval'}}
// expected-note@#GH89374-MatrixBase {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'solve_retval<int>' to 'const MatrixBase<int>' for 1st argument}}
// expected-note@#GH89374-MatrixBase {{candidate function (the implicit move assignment operator) not viable: no known conversion from 'solve_retval<int>' to 'MatrixBase<int>' for 1st argument}}
}
} // namespace GH89374
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