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// { dg-do compile }
// { dg-options "-Wunused" }

template <int N>
void
f1 (void)
{
  _Complex int a;       // { dg-warning "set but not used" }
  _Complex double b;    // { dg-warning "set but not used" }
  __real__ a = 1;
  __imag__ a = 2;
  __real__ b = 3.0;
  __imag__ b = 4.0;
}

template <int N>
int
f2 (void)
{
  _Complex int a;
  _Complex double b;
  __real__ a = 1;
  __imag__ a = 2;
  __real__ b = 3.0;
  __imag__ b = 4.0;
  return __real__ a + __imag__ b;
}

template <int N>
_Complex double
f3 (void)
{
  _Complex int a;
  _Complex double b;
  __real__ a = 1;
  __imag__ a = 2;
  __real__ b = 3.0;
  __imag__ b = 4.0;
  return a + b;
}

void
test ()
{
  f1<0> ();
  (void) f2<0> ();
  (void) f3<0> ();
}