| 1 | // RUN: %clang_cc1 -fsyntax-only -Wno-error=address-of-temporary -verify -std=gnu++11 %s |
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| 2 | struct X { |
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| 3 | X(); |
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| 4 | X(int); |
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| 5 | X(int, int); |
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| 6 | }; |
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| 7 | |
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| 8 | void f0() { (void)&X(); } // expected-warning{{taking the address of a temporary object}} |
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| 9 | void f1() { (void)&X(1); } // expected-warning{{taking the address of a temporary object}} |
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| 10 | void f2() { (void)&X(1, 2); } // expected-warning{{taking the address of a temporary object}} |
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| 11 | void f3() { (void)&(X)1; } // expected-warning{{taking the address of a temporary object}} |
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| 12 | |
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| 13 | |
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| 14 | namespace PointerToArrayDecay { |
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| 15 | struct Y { |
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| 16 | int a[4]; |
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| 17 | }; |
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| 18 | struct Z { |
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| 19 | int n; |
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| 20 | ~Z(); |
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| 21 | }; |
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| 22 | |
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| 23 | typedef int A[4]; |
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| 24 | typedef Z AZ[4]; |
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| 25 | |
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| 26 | template<typename T> void consume(T); |
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| 27 | struct S { int *p; }; |
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| 28 | |
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| 29 | void g0() { int *p = Y().a; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 30 | void g1() { int *p = Y{}.a; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 31 | void g2() { int *p = A{}; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 32 | void g3() { int *p = (A){}; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 33 | void g4() { Z *p = AZ{}; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 34 | void g5() { Z *p = &(Z&)(AZ{}[0]); } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 35 | |
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| 36 | void h0() { consume(Y().a); } |
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| 37 | void h1() { consume(Y{}.a); } |
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| 38 | void h2() { consume(A{}); } |
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| 39 | void h3() { consume((A){}); } |
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| 40 | void h4() { consume(AZ{}); } |
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| 41 | |
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| 42 | void i0() { S s = { Y().a }; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 43 | void i1() { S s = { Y{}.a }; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 44 | void i2() { S s = { A{} }; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 45 | void i3() { S s = { (A){} }; } // expected-warning{{will be destroyed at the end of the full-expression}} |
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| 46 | |
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| 47 | void j0() { (void)S { Y().a }; } |
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| 48 | void j1() { (void)S { Y{}.a }; } |
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| 49 | void j2() { (void)S { A{} }; } |
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| 50 | void j3() { (void)S { (A){} }; } |
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| 51 | |
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| 52 | void k0() { consume(S { Y().a }); } |
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| 53 | void k1() { consume(S { Y{}.a }); } |
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| 54 | void k2() { consume(S { A{} }); } |
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| 55 | void k3() { consume(S { (A){} }); } |
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| 56 | } |
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| 57 | |
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