minix/external/bsd/llvm/dist/clang/test/SemaCXX/cast-conversion.cpp

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// RUN: %clang_cc1 -fsyntax-only -triple x86_64-unknown-unknown -verify %s -std=c++11
struct R {
R(int);
};
struct A {
A(R);
};
struct B { // expected-note 3 {{candidate constructor (the implicit copy constructor) not viable}} \
expected-note 3 {{candidate constructor (the implicit move constructor) not viable}}
B(A); // expected-note 3 {{candidate constructor not viable}}
};
int main () {
B(10); // expected-error {{no matching conversion for functional-style cast from 'int' to 'B'}}
(B)10; // expected-error {{no matching conversion for C-style cast from 'int' to 'B'}}
static_cast<B>(10); // expected-error {{no matching conversion for static_cast from 'int' to 'B'}}
}
template<class T>
struct X0 {
X0(const T &);
};
template<class T>
X0<T> make_X0(const T &Val) {
return X0<T>(Val);
}
void test_X0() {
const char array[2] = { 'a', 'b' };
make_X0(array);
}
// PR5210 recovery
class C {
protected:
template <int> float* &f0(); // expected-note{{candidate}}
template <unsigned> float* &f0(); // expected-note{{candidate}}
void f1() {
static_cast<float*>(f0<0>()); // expected-error{{ambiguous}}
}
};
void *intToPointer1(short s) {
return (void*)s; // expected-warning{{cast to 'void *' from smaller integer type 'short'}}
}
void *intToPointer2(short s) {
return reinterpret_cast<void*>(s);
}
void *intToPointer3(bool b) {
return (void*)b;
}
void *intToPointer4() {
return (void*)(3 + 7);
}
void *intToPointer5(long l) {
return (void*)l;
}
struct AmbiguousCast {
operator int(); // expected-note {{candidate function}}
operator unsigned int(); // expected-note {{candidate function}}
};
long long AmbiguousCastFunc(AmbiguousCast& a) {
return static_cast<long long>(a); // expected-error {{ambiguous conversion for static_cast from 'AmbiguousCast' to 'long long'}}
}
namespace PR16680 {
void f(int (*__pf)());
int g() {
f(reinterpret_cast<int>(0.0f)); // expected-error {{reinterpret_cast from 'float' to 'int' is not allowed}}
}
}