52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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// This is the function actually selected during overload resolution, and the
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// only one defined.
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template <typename T> void f(T*, int) {}
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template <typename T> struct S;
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template <typename T> struct S_ : S<T> { typedef int type; }; // expected-note{{in instantiation}}
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template <typename T> struct S {
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// Force T to have a complete type here so we can observe instantiations with
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// incomplete types.
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T t; // expected-error{{field has incomplete type}}
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};
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// Provide a bad class and an overload that instantiates templates with it.
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class NoDefinition; // expected-note{{forward declaration}}
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template <typename T> S_<NoDefinition>::type f(T*, NoDefinition*); // expected-note{{in instantiation}}
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void test(int x) {
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f(&x, 0);
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}
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// Ensure that we instantiate an overloaded function if it's selected by
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// overload resolution when initializing a function pointer.
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template<typename T> struct X {
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static T f() { T::error; } // expected-error {{has no members}}
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static T f(bool);
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};
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void (*p)() = &X<void>::f; // expected-note {{instantiation of}}
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namespace PR13098 {
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struct A {
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A(int);
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void operator++() {}
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void operator+(int) {}
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void operator+(A) {}
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void operator[](int) {}
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void operator[](A) {}
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};
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struct B : A {
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using A::operator++;
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using A::operator+;
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using A::operator[];
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};
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template<typename T> void f(B b) {
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++b;
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b + 0;
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b[0];
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}
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template void f<void>(B);
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}
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