// Test that we properly clean up if we get an exception in the middle of
// constructing the closure object.

// { dg-do run }
// { dg-require-effective-target c++11 }

struct A
{
  A() {}
  A(const A&) { throw 1; }
};

int bs;
struct B
{
  B() { ++bs; }
  B(const B&) { ++bs; }
  ~B() { --bs; }
};

int main()
{
  {
    B b1, b2;
    A a;

    try
      {
	[b1, a, b2]{ };
      }
    catch(...) {}
  }
  return bs;
}