92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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namespace test0 {
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struct A { // expected-note {{candidate function (the implicit copy assignment operator) not viable: 'this' argument has type 'const test0::A', but method is not marked const}}
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#if __cplusplus >= 201103L
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// expected-note@-2 {{candidate function (the implicit move assignment operator) not viable: 'this' argument has type 'const test0::A', but method is not marked const}}
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#endif
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A &operator=(void*); // expected-note {{candidate function not viable: 'this' argument has type 'const test0::A', but method is not marked const}}
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};
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void test(const A &a) {
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a = "help"; // expected-error {{no viable overloaded '='}}
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}
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}
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namespace PR16314 {
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void f(char*);
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int &f(...);
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void x()
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{
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int &n = f("foo");
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#if __cplusplus < 201103L
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// expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
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// expected-error@-3 {{non-const lvalue reference to type 'int' cannot bind to a temporary of type 'void'}}
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#endif
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}
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}
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namespace warn_if_best {
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int f(char *);
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void f(double);
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void x()
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{
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int n = f("foo");
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#if __cplusplus < 201103L
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// expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
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#else
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// expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'char *'}}
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#endif
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}
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}
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namespace userdefined_vs_illformed {
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struct X { X(const char *); };
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void *f(char *p); // best for C++03
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double f(X x); // best for C++11
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void g()
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{
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double d = f("foo");
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#if __cplusplus < 201103L
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// expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
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// expected-error@-3 {{cannot initialize a variable of type 'double' with an rvalue of type 'void *'}}
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#endif
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}
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}
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namespace sfinae_test {
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int f(int, char*);
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template<int T>
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struct S { typedef int type; };
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template<>
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struct S<sizeof(int)> { typedef void type; };
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// C++11: SFINAE failure
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// C++03: ok
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template<typename T> int cxx11_ignored(T, typename S<sizeof(f(T(), "foo"))>::type *);
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#if __cplusplus < 201103L
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// expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
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#else
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// expected-note@-4 {{candidate template ignored: substitution failure}}
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#endif
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// C++11: better than latter
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// C++03: worse than latter
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template<typename T> void g(T, ...);
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template<typename T> int g(T, typename S<sizeof(f(T(), "foo"))>::type *);
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#if __cplusplus < 201103L
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// expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
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#endif
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int a = cxx11_ignored(0, 0);
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int b = g(0, 0);
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#if __cplusplus >= 201103L
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// expected-error@-3 {{no matching function for call to 'cxx11_ignored'}}
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// expected-error@-3 {{cannot initialize a variable of type 'int' with an rvalue of type 'void'}}
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#endif
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}
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