55 lines
2 KiB
C++
55 lines
2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -Wno-error=address-of-temporary -verify -std=gnu++11 %s
|
|
struct X {
|
|
X();
|
|
X(int);
|
|
X(int, int);
|
|
};
|
|
|
|
void f0() { (void)&X(); } // expected-warning{{taking the address of a temporary object}}
|
|
void f1() { (void)&X(1); } // expected-warning{{taking the address of a temporary object}}
|
|
void f2() { (void)&X(1, 2); } // expected-warning{{taking the address of a temporary object}}
|
|
void f3() { (void)&(X)1; } // expected-warning{{taking the address of a temporary object}}
|
|
|
|
|
|
namespace PointerToArrayDecay {
|
|
struct Y {
|
|
int a[4];
|
|
};
|
|
struct Z {
|
|
int n;
|
|
~Z();
|
|
};
|
|
|
|
typedef int A[4];
|
|
typedef Z AZ[4];
|
|
|
|
template<typename T> void consume(T);
|
|
struct S { int *p; };
|
|
|
|
void g0() { int *p = Y().a; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void g1() { int *p = Y{}.a; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void g2() { int *p = A{}; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void g3() { int *p = (A){}; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void g4() { Z *p = AZ{}; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
|
|
void h0() { consume(Y().a); }
|
|
void h1() { consume(Y{}.a); }
|
|
void h2() { consume(A{}); }
|
|
void h3() { consume((A){}); }
|
|
void h4() { consume(AZ{}); }
|
|
|
|
void i0() { S s = { Y().a }; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void i1() { S s = { Y{}.a }; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void i2() { S s = { A{} }; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
void i3() { S s = { (A){} }; } // expected-warning{{pointer is initialized by a temporary array}}
|
|
|
|
void j0() { (void)S { Y().a }; }
|
|
void j1() { (void)S { Y{}.a }; }
|
|
void j2() { (void)S { A{} }; }
|
|
void j3() { (void)S { (A){} }; }
|
|
|
|
void k0() { consume(S { Y().a }); }
|
|
void k1() { consume(S { Y{}.a }); }
|
|
void k2() { consume(S { A{} }); }
|
|
void k3() { consume(S { (A){} }); }
|
|
}
|