// PR middle-end/25977
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// PR middle-end/25977
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// Bug: We were assuming that the return slot of the current function is
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// Bug: We were assuming that the return slot of the current function is
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// always safe to use as the return slot for another call, because its
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// always safe to use as the return slot for another call, because its
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// address cannot escape. But its address can escape if we perform the
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// address cannot escape. But its address can escape if we perform the
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// named return value optimization.
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// named return value optimization.
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// { dg-do run }
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// { dg-do run }
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struct A
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struct A
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{
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{
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A( int left, int top, int width, int height )
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A( int left, int top, int width, int height )
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: x1(left), y1(top), x2(left+width-1), y2(top+height-1) {}
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: x1(left), y1(top), x2(left+width-1), y2(top+height-1) {}
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//A(const A& o) : x1(o.x1), y1(o.y1), x2(o.x2), y2(o.y2) {}
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//A(const A& o) : x1(o.x1), y1(o.y1), x2(o.x2), y2(o.y2) {}
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//A& operator=(const A& o ) { x1=o.x1; y1=o.y1; x2=o.x2; y2=o.y2; return *this; }
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//A& operator=(const A& o ) { x1=o.x1; y1=o.y1; x2=o.x2; y2=o.y2; return *this; }
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A operator&(const A &r) const
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A operator&(const A &r) const
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{
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{
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A tmp(0, 0, -1, -1);
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A tmp(0, 0, -1, -1);
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tmp.x1 = ((r.x1) < (x1) ? (x1) : (r.x1));
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tmp.x1 = ((r.x1) < (x1) ? (x1) : (r.x1));
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tmp.x2 = ((x2) < (r.x2) ? (x2) : (r.x2));
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tmp.x2 = ((x2) < (r.x2) ? (x2) : (r.x2));
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tmp.y1 = ((r.y1) < (y1) ? (y1) : (r.y1));
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tmp.y1 = ((r.y1) < (y1) ? (y1) : (r.y1));
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tmp.y2 = ((y2) < (r.y2) ? (y2) : (r.y2));
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tmp.y2 = ((y2) < (r.y2) ? (y2) : (r.y2));
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return tmp;
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return tmp;
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}
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}
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int x1;
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int x1;
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int y1;
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int y1;
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int x2;
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int x2;
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int y2;
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int y2;
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};
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};
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bool operator==( const A &r1, const A &r2 )
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bool operator==( const A &r1, const A &r2 )
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{
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{
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return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;
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return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;
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}
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}
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static A test()
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static A test()
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{
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{
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A all = A( 0, 0, 1024, 768);
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A all = A( 0, 0, 1024, 768);
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A a = all;
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A a = all;
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A r = all;
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A r = all;
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a = a & r;
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a = a & r;
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return a;
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return a;
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}
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}
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extern "C" void abort(void);
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extern "C" void abort(void);
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int main( int argc, char ** argv )
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int main( int argc, char ** argv )
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{
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{
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A all = A( 0, 0, 1024, 768);
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A all = A( 0, 0, 1024, 768);
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A a = test();
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A a = test();
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if ( ! ( a == all))
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if ( ! ( a == all))
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abort();
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abort();
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return 0;
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return 0;
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}
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}
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