54 lines
594 B
C
54 lines
594 B
C
// Test PR 17400. Test case provided by Serge Belyshev.
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/* { dg-do compile } */
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/* { dg-options "-O1" } */
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void inc (int &);
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bool dec_test (int &);
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struct A
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{
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int c;
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friend void AddRef (A * p)
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{
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inc (p->c);
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}
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friend void Release (A * p)
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{
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if(dec_test (p->c))
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delete p;
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}
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};
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struct B
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{
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B (A *p) : obj(p)
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{
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AddRef (obj);
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}
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~B()
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{
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Release (obj);
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}
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void swap (B &rhs)
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{
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A * tmp = obj;
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obj = rhs.obj;
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rhs.obj = tmp;
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}
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A *obj;
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};
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void bar (A *p1, A* p2)
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{
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B px (p1);
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B px2 (p2);
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px.swap (px2);
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}
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