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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [warn/] [Wunused-var-12.C] - Rev 783

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// PR c++/44444
// { dg-do compile }
// { dg-options "-Wunused" }

struct S
{
  const int &u;
  const int &v;
  S (const int &a, const int &b) : u(a), v(b) { }
};

bool
f1 ()
{
  bool t = false;
  S z = S (1, 2);
  t |= z.u == 1;
  t |= z.v == 2;
  return t;
}

void
f2 ()
{
  S z = S (1, 2);
  z.u;          // { dg-warning "no effect" }
}

int i;

void
f3 ()
{
  S z = S (1, 2);
  i++, z.u;     // { dg-warning "no effect" }
}

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