| // 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){} }); } |
| } |