82 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // 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}}
 | |
|   }
 | |
| }
 |