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