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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [tree-ssa/] [pr17400.C] - Diff between revs 149 and 154

Rev 149	Rev 154
`// Test PR 17400. Test case provided by Serge Belyshev.`	`// Test PR 17400. Test case provided by Serge Belyshev.`

`/* { dg-do compile } */`	`/* { dg-do compile } */`
`/* { dg-options "-O1" } */`	`/* { dg-options "-O1" } */`


`void inc (int &);`	`void inc (int &);`
`bool dec_test (int &);`	`bool dec_test (int &);`

`struct A`	`struct A`
`{`	`{`
`int c;`	`int c;`

`friend void AddRef (A * p)`	`friend void AddRef (A * p)`
`{`	`{`
`inc (p->c);`	`inc (p->c);`
`}`	`}`

`friend void Release (A * p)`	`friend void Release (A * p)`
`{`	`{`
`if(dec_test (p->c))`	`if(dec_test (p->c))`
`delete p;`	`delete p;`
`}`	`}`
`};`	`};`

`struct B`	`struct B`
`{`	`{`
`B (A *p) : obj(p)`	`B (A *p) : obj(p)`
`{`	`{`
`AddRef (obj);`	`AddRef (obj);`
`}`	`}`

`~B()`	`~B()`
`{`	`{`
`Release (obj);`	`Release (obj);`
`}`	`}`

`void swap (B &rhs)`	`void swap (B &rhs)`
`{`	`{`
`A * tmp = obj;`	`A * tmp = obj;`
`obj = rhs.obj;`	`obj = rhs.obj;`
`rhs.obj = tmp;`	`rhs.obj = tmp;`
`}`	`}`

`A *obj;`	`A *obj;`
`};`	`};`

`void bar (A p1, A p2)`	`void bar (A p1, A p2)`
`{`	`{`
`B px (p1);`	`B px (p1);`
`B px2 (p2);`	`B px2 (p2);`
`px.swap (px2);`	`px.swap (px2);`
`}`	`}`