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#include <utility>
 
template <typename T>
struct Foo
{
	T t;
	Foo(const T& t) : t(t) { }
	Foo(T&& t) : t(std::move(t)) { }
};
 
struct Bar
{
	Bar() { }
	Bar(int) { }
	Bar(const Bar&) = default;
	Bar(Bar&&) = delete;
};
 
int main() {
	Foo<Bar> foobar1(Bar()); //compiles fine
	Foo<Bar> foobar2(Bar(5)); //error: use of deleted function 'Bar::Bar(Bar&&)
 
	return 0;
}

prog.cpp: In instantiation of 'Foo<T>::Foo(T&&) [with T = Bar]':
prog.cpp:21:25:   required from here
prog.cpp:8:29: error: use of deleted function 'Bar::Bar(Bar&&)'
  Foo(T&& t) : t(std::move(t)) { }
                             ^
prog.cpp:16:2: note: declared here
  Bar(Bar&&) = delete;
  ^

Standard output is empty