Viewing file:  noeffect4.C (1.61 KB) -rw-r--r--
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// { dg-do compile }
// { dg-options "-Wall" }
// Copyright (C) 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 2 Sep 2003 <nathan@codesourcery.com>
// PR 12037.
struct X
{
int operator+(int);
int operator-(int);
int operator*(int);
int operator/(int);
int operator%(int);
int operator>>(int);
int operator<<(int);
int operator&(int);
int operator|(int);
int operator^(int);
int operator&&(int);
int operator||(int);
int operator==(int);
int operator!=(int);
int operator<(int);
int operator<=(int);
int operator>(int);
int operator>=(int);
int operator*();
int operator!();
int operator~();
int operator++();
int operator--();
int operator++(int);
int operator--(int);
int operator()();
int operator,(int);
X *operator->();
operator int () const;
int m;
virtual ~X ();
X &Foo ();
};
struct Y : X
{
};
template<int I> void Foo (X &x)
{
x + I;
x - I;
x * I;
x / I;
x % I;
x >> I;
x << I;
x & I;
x | I;
x && I;
x || I;
x == I;
x != I;
x < I;
x <= I;
x > I;
x >= I;
*x;
!x;
~x;
x++;
x--;
++x;
--x;
x ();
x, I;
x->m;
static_cast<int> (x);
dynamic_cast<Y &> (x);
reinterpret_cast<int> (x.Foo ()); // { dg-error "invalid cast" }
const_cast<X &> (x.Foo ()); // { dg-warning "not used" }
reinterpret_cast<int *> (&x);// { dg-warning "no effect" }
const_cast<X &> (x); // { dg-warning "no effect" }
sizeof (x++); // { dg-warning "no effect" }
__alignof__ (x++); // { dg-warning "no effect" }
}
template void Foo<4> (X&); // { dg-message "required" }
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