Viewing file:  nrv11.C (1.26 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
// PR middle-end/25977
// Bug: We were assuming that the return slot of the current function is
// always safe to use as the return slot for another call, because its
// address cannot escape. But its address can escape if we perform the
// named return value optimization.
// { dg-do run }
struct A
{
A( int left, int top, int width, int height )
: x1(left), y1(top), x2(left+width-1), y2(top+height-1) {}
//A(const A& o) : x1(o.x1), y1(o.y1), x2(o.x2), y2(o.y2) {}
//A& operator=(const A& o ) { x1=o.x1; y1=o.y1; x2=o.x2; y2=o.y2; return *this; }
A operator&(const A &r) const
{
A tmp(0, 0, -1, -1);
tmp.x1 = ((r.x1) < (x1) ? (x1) : (r.x1));
tmp.x2 = ((x2) < (r.x2) ? (x2) : (r.x2));
tmp.y1 = ((r.y1) < (y1) ? (y1) : (r.y1));
tmp.y2 = ((y2) < (r.y2) ? (y2) : (r.y2));
return tmp;
}
int x1;
int y1;
int x2;
int y2;
};
bool operator==( const A &r1, const A &r2 )
{
return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;
}
static A test()
{
A all = A( 0, 0, 1024, 768);
A a = all;
A r = all;
a = a & r;
return a;
}
extern "C" void abort(void);
int main( int argc, char ** argv )
{
A all = A( 0, 0, 1024, 768);
A a = test();
if ( ! ( a == all))
abort();
return 0;
}
|
