149 lines
4.6 KiB
C++
149 lines
4.6 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s
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// ---------------------------------------------------------------------
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// Imaginary literals
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// ---------------------------------------------------------------------
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template<typename T>
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struct ImaginaryLiteral0 {
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void f(T &x) {
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x = 3.0I; // expected-error{{incompatible type}}
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}
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};
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template struct ImaginaryLiteral0<_Complex float>;
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template struct ImaginaryLiteral0<int*>; // expected-note{{instantiation}}
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// ---------------------------------------------------------------------
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// Compound assignment operator
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// ---------------------------------------------------------------------
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namespace N1 {
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struct X { };
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int& operator+=(X&, int); // expected-note{{candidate}}
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}
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namespace N2 {
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long& operator+=(N1::X&, long); // expected-note{{candidate}}
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template<typename T, typename U, typename Result>
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struct PlusEquals0 {
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void f(T t, U u) {
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Result r = t += u; // expected-error{{ambiguous}}
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}
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};
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}
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namespace N3 {
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struct Y : public N1::X {
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short& operator+=(long); // expected-note{{candidate}}
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};
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}
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template struct N2::PlusEquals0<N1::X, int, int&>;
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template struct N2::PlusEquals0<N1::X, long, long&>;
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template struct N2::PlusEquals0<N3::Y, long, short&>;
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template struct N2::PlusEquals0<int, int, int&>;
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template struct N2::PlusEquals0<N3::Y, int, short&>; // expected-note{{instantiation}}
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// ---------------------------------------------------------------------
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// Conditional operator
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// ---------------------------------------------------------------------
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template<typename T, typename U, typename Result>
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struct Conditional0 {
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void f(T t, U u) {
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Result result = t? : u;
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}
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};
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template struct Conditional0<int, int, int>;
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// ---------------------------------------------------------------------
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// Statement expressions
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// ---------------------------------------------------------------------
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template<typename T>
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struct StatementExpr0 {
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void f(T t) {
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(void)({
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if (t) // expected-error{{contextually convertible}}
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t = t + 17;
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t + 12; // expected-error{{invalid operands}}
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});
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}
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};
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template struct StatementExpr0<int>;
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template struct StatementExpr0<N1::X>; // expected-note{{instantiation}}
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// ---------------------------------------------------------------------
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// __builtin_choose_expr
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// ---------------------------------------------------------------------
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template<bool Cond, typename T, typename U, typename Result>
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struct Choose0 {
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void f(T t, U u) {
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Result r = __builtin_choose_expr(Cond, t, u); // expected-error{{lvalue}}
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}
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};
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template struct Choose0<true, int, float, int&>;
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template struct Choose0<false, int, float, float&>;
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template struct Choose0<true, int, float, float&>; // expected-note{{instantiation}}
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// ---------------------------------------------------------------------
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// __builtin_va_arg
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// ---------------------------------------------------------------------
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template<typename ArgType>
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struct VaArg0 {
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void f(int n, ...) {
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__builtin_va_list va;
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__builtin_va_start(va, n);
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for (int i = 0; i != n; ++i)
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(void)__builtin_va_arg(va, ArgType);
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__builtin_va_end(va);
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}
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};
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template struct VaArg0<int>;
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template<typename VaList, typename ArgType>
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struct VaArg1 {
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void f(int n, ...) {
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VaList va;
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__builtin_va_start(va, n); // expected-error{{int}} expected-error{{char *}}
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for (int i = 0; i != n; ++i)
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(void)__builtin_va_arg(va, ArgType); // expected-error{{int}}
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__builtin_va_end(va); // expected-error{{int}} expected-error{{char *}}
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}
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};
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template struct VaArg1<__builtin_va_list, int>;
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template struct VaArg1<__builtin_ms_va_list, int>; // expected-note{{instantiation}}
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template struct VaArg1<int, int>; // expected-note{{instantiation}}
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template<typename ArgType>
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struct VaArg2 {
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void __attribute__((ms_abi)) f(int n, ...) {
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__builtin_ms_va_list va;
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__builtin_ms_va_start(va, n);
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for (int i = 0; i != n; ++i)
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(void)__builtin_va_arg(va, ArgType);
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__builtin_ms_va_end(va);
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}
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};
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template struct VaArg2<int>;
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template<typename VaList, typename ArgType>
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struct VaArg3 {
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void __attribute__((ms_abi)) f(int n, ...) {
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VaList va;
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__builtin_ms_va_start(va, n); // expected-error{{int}} expected-error{{__va_list_tag}}
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for (int i = 0; i != n; ++i)
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(void)__builtin_va_arg(va, ArgType); // expected-error{{int}}
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__builtin_ms_va_end(va); // expected-error{{int}} expected-error{{__va_list_tag}}
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}
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};
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template struct VaArg3<__builtin_ms_va_list, int>;
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template struct VaArg3<__builtin_va_list, int>; // expected-note{{instantiation}}
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template struct VaArg3<int, int>; // expected-note{{instantiation}}
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