gcc/testsuite/gdc.test/compilable/test18474.d - gcc - Git at Google

 shared struct A
 {
     this(this);
 }

 struct B
 {
     A a;
 }

 void main()
 {
     shared B b1;
     auto b2 = b1;
 }
	shared struct A
	{
	this(this);
	}

	struct B
	{
	A a;
	}

	void main()
	{
	shared B b1;
	auto b2 = b1;
	}