60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
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template<typename T>
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struct only {
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only(T);
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template<typename U> only(U) = delete; // expected-note {{here}}
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};
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template<typename ...T>
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void f(T ...t) {
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auto x(t...); // expected-error {{is empty}} expected-error {{contains multiple expressions}}
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only<int> check = x;
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}
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void g() {
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f(); // expected-note {{here}}
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f(0);
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f(0, 1); // expected-note {{here}}
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}
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template<typename T>
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bool h(T t) {
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auto a = t;
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decltype(a) b;
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a = a + b;
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auto p = new auto(t);
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only<double*> test = p; // expected-error {{conversion function from 'char *' to 'only<double *>'}}
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return p;
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}
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bool b = h('x'); // expected-note {{here}}
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// PR 9276 - Make sure we check auto types deduce the same
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// in the case of a dependent initializer
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namespace PR9276 {
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template<typename T>
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void f() {
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auto i = T(), j = 0; // expected-error {{deduced as 'long' in declaration of 'i' and deduced as 'int' in declaration of 'j'}}
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}
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void g() {
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f<long>(); // expected-note {{here}}
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f<int>();
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}
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}
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namespace NoRepeatedDiagnostic {
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template<typename T>
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void f() {
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auto a = 0, b = 0.0, c = T(); // expected-error {{deduced as 'int' in declaration of 'a' and deduced as 'double' in declaration of 'b'}}
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}
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// We've already diagnosed an issue. No extra diagnostics is needed for these.
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template void f<int>();
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template void f<double>();
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template void f<char>();
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}
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