// Test whether -Wunused handles empty classes the same as non-empty.// { dg-do compile }// { dg-options "-Wunused" }struct A {};struct B { char c; };void foo (){  struct A a0, a1;  struct B b0, b1 = { 25 };  a0 = a1;	// { dg-bogus "value computed is not used" }  b0 = b1;}